HONORS PRECALCULUS Prove the following identities- ( ) x x x x x x. cos x cos x cos x cos x 1 sin x cos x 1 sin x

Size: px
Start display at page:

Download "HONORS PRECALCULUS Prove the following identities- ( ) x x x x x x. cos x cos x cos x cos x 1 sin x cos x 1 sin x"

Transcription

1 HONORS PRECALCULUS Prove the following identities-.) ( ) cos sin cos cos sin + sin sin + cos sin cos sin cos.).) ( ) ( sin) ( ) ( ) sin sin + + sin sin tan + sec + cos cos cos cos sin cos sin cos cos cos sin sin + cos cos + cos + cos + + csc cos + cos cos + cos + cos cos cos sin ( )( ) ( )( ) 4.) + + cos + + tan sin cos sin sin cos sin ( cos ) sin ( cos ) cos cos sec cos cos cos cos cos sin sin cos cot cos cos cos cos csc cos cot sin sin 5.) ( ) 6.) ( + ) ( + ) tan tan sec + tan sec tan sec sec + sec sec sec + sec tan tan

2 Trig Equations Worksheet 5.: Key. sin π 5π, 6 6. sin + sin 4π 5π, 5. cos cos π π, cot+ cot π 5π, 9. sec sec ±, π. tan π π, cos + cos 5π 7π, tan + tan π 7π, csc csc ± π π,. 4sec 8 sec ± π π 5π 7π,,, P age

3 Trig Identities: Worksheet.4. sec tan sin sec sin sin cos cos sin cos cos cos cos sec. + cos csc + cot sin cos + csc + cot sin sin. secθ sin θ tanθ + sin θ sin θ + sin θ 4. secθ tanθ sin cos cos sin θ 5. cos y sin y sin y ( ) sin y sin y sin y 6. csc θ tan θ tan θ sin θ sin θ tan θ P age

4 7. 8. tan θ sin θ tan θ sin θ csc θ tan θ( ) tan θ tan θcos θ tan θ sin θ tan θ tan θ sin θ sin θ csc θ sin θ 9. ( θ θ) ( θ θ) sin + cos + sin cos sin θ sin θ + ( θ ) sin + (). ( )( ) + tanθ + secθ + cscθ sin θ sin θ secθ cscθ secθ + cscθ. tanθ tanθ + + tan tan ( θ ) ( θ + ) tanθ tanθ + +. tan θ sin θ + tan θ ( ) sin sin θ ( θ ) P age

5 . cos + csc csc cot csc + cot sin cos ( csc cot )( csc + cot ) cos + sin sin ()( csc + cot ) csc + cot cos + csc cos cos + csc csc cos + cos cos ( )( ) 5. tanθ + + secθ cscθ sin y+ tan y sin y + secy sin y sin y + cosy + cos y sin y sin y cos y + cosy cos y + cos y sin y+ sin ycos y cos y + sin y( + cos y) sin y cos y + P age

6 5. and 5. Review: Trigonometric Equations and Trigonometric identities Prove the following trigonometric identities... + cos sin + csc sin + cos ( + cos ) + sin sin ( + cos ) + cos + cos + sin sin cos ( + ) + cos + sin cos ( + ) ( + ) ( + ) cos sin cos ( cos )( + cos ) csc sin + csc cos + cos + cos + cos cos csc sin. csc cos csc csc csc csc sin cos 4. ( )( ) ( csc )( sin ) ( csc )( cos ) cot + sin cot ( cos ) cot sin 5. sin csc + cot cos sin ( + cos ) ( cos )( + cos ) sin + sin cos cos sin + sin cos sin sin sin cos + sin sin cos csc + cot + sin sin 6. ( + sin)( + sin) ( sin )( + sin ) + sin + sin sin cos ( + sin) sin ( + sin) cos + sin + sin cos cos P age

7 Find all solutions to the following trigonometric equations 7. cos cos π 5π, 8. tan sin tan tan sin tan ( ) tan sin sin tan sin ±, π 9. sec 4 4 sec sec ± π 5π 7π π,,, cos cos ± π π 5π 7π,,, cos cos 4 cos ± π 5π 7π π,,, P age

8 HCP PRECALC NAME REVIEW NO CALCULATORS 5. Find the eact value of the following: tan ( 5 ) tan45 tan ( )( ) 4 tan ( 5 ) tan( 45 ) + tan45tan ( )( ) + + π 6. Use the appropriate Half-Angle Identity to find the eact value of sin 8 π + π π cos sin sin ± ± ± ± 8 4 π Note, we use the positive answer, because is in the first quadrant 8 Use identities to find all solutions in the interval,π ) sin cos sin, π, π, π,4 π,5π π π 4π 5π,,, π,, cos π π, π π π 4π π 5π,,,, π,,, cos+ cos cos( + ) + cos( ) cos cos sin sin + cos cos + sin sin cos cos cos cos π π 5π 7π π π,,,, π π 5π 7π,,, π π π 5π π 7π,,,,,

9 Use identities to find the general solution, i.e., ALL solutions, to the following. cos sin cos sin coscos sin sin sin cos coscos sin cos sin + sin cos cos + ( cos sin sin ) ( ) ( ) cos cos sin + sin ( ) cos cos + sin + sin ( ) ( ) cos + sin cos sin cos sin π π π 5π,, 6 6 π π 5π π 9.,,, 6 6 cos cos ± cos cos cos + cos cos cos + cos cos π π π, π π π,,. ( )( )

10 Prove the following identities:.. sin cos sin sin ( cos sin ) ( ) ( ) ( ) ( ) cos sin sin sin ( csc ) ( csc ) sin sin sin sin 4sin sin sin + sin sin sin + cos sin cos + cossin ( sin cos) cos+ cossin sin cos + cos sin sin csc sec csc csc sin csc sin sin cos sec

= tanθ 3) cos2 θ. = tan θ. = 3cosθ 6) sinθ + cosθcotθ = cscθ. = 3cosθ. = 3cosθ sinθ

= tanθ 3) cos2 θ. = tan θ. = 3cosθ 6) sinθ + cosθcotθ = cscθ. = 3cosθ. = 3cosθ sinθ PRE-CALCULUS/TRIGONOMETRY 3 Name 5.-5.5 REVIEW Date: Block Verify. ) cscθ secθ = cotθ 2) sec2 θ tanθ = tanθ 3) cos2 θ +sin θ = Use RIs sin θ = cotθ tan 2 θ tanθ = tan θ sin 2 θ +sin θ = Multiply by reciprocal

More information

Section 2.7 Proving Trigonometric Identities

Section 2.7 Proving Trigonometric Identities Sec. 2.7 Proving Trigonometric Identities 87 Section 2.7 Proving Trigonometric Identities In this section, we use the identities presented in Section 2.6 to do two different tasks: ) to simplify a trigonometric

More information

GRAPHING TRIGONOMETRIC FUNCTIONS

GRAPHING TRIGONOMETRIC FUNCTIONS GRAPHING TRIGONOMETRIC FUNCTIONS Section.6B Precalculus PreAP/Dual, Revised 7 viet.dang@humbleisd.net 8//8 : AM.6B: Graphing Trig Functions REVIEW OF GRAPHS 8//8 : AM.6B: Graphing Trig Functions A. Equation:

More information

While you wait: For a-d: use a calculator to evaluate: Fill in the blank.

While you wait: For a-d: use a calculator to evaluate: Fill in the blank. While you wait: For a-d: use a calculator to evaluate: a) sin 50 o, cos 40 o b) sin 25 o, cos65 o c) cos o, sin 79 o d) sin 83 o, cos 7 o Fill in the blank. a) sin30 = cos b) cos57 = sin Trigonometric

More information

MAC 1114 REVIEW FOR EXAM #2 Chapters 3 & 4

MAC 1114 REVIEW FOR EXAM #2 Chapters 3 & 4 MAC 111 REVIEW FOR EXAM # Chapters & This review is intended to aid you in studying for the exam. This should not be the only thing that you do to prepare. Be sure to also look over your notes, textbook,

More information

Ferris Wheel Activity. Student Instructions:

Ferris Wheel Activity. Student Instructions: Ferris Wheel Activity Student Instructions: Today we are going to start our unit on trigonometry with a Ferris wheel activity. This Ferris wheel will be used throughout the unit. Be sure to hold on to

More information

Math 104 Final Exam Review

Math 104 Final Exam Review Math 04 Final Exam Review. Find all six trigonometric functions of θ if (, 7) is on the terminal side of θ.. Find cosθ and sinθ if the terminal side of θ lies along the line y = x in quadrant IV.. Find

More information

Trig Identities Packet

Trig Identities Packet Advanced Math Name Trig Identities Packet = = = = = = = = cos 2 θ + sin 2 θ = sin 2 θ = cos 2 θ cos 2 θ = sin 2 θ + tan 2 θ = sec 2 θ tan 2 θ = sec 2 θ tan 2 θ = sec 2 θ + cot 2 θ = csc 2 θ cot 2 θ = csc

More information

Algebra 2/Trig AIIT.13 AIIT.15 AIIT.16 Reference Angles/Unit Circle Notes. Name: Date: Block:

Algebra 2/Trig AIIT.13 AIIT.15 AIIT.16 Reference Angles/Unit Circle Notes. Name: Date: Block: Algebra 2/Trig AIIT.13 AIIT.15 AIIT.16 Reference Angles/Unit Circle Notes Mrs. Grieser Name: Date: Block: Trig Functions in a Circle Circle with radius r, centered around origin (x 2 + y 2 = r 2 ) Drop

More information

3.2 Proving Identities

3.2 Proving Identities 3.. Proving Identities www.ck.org 3. Proving Identities Learning Objectives Prove identities using several techniques. Working with Trigonometric Identities During the course, you will see complex trigonometric

More information

MATH Week 10. Ferenc Balogh Winter. Concordia University

MATH Week 10. Ferenc Balogh Winter. Concordia University MATH 20 - Week 0 Ferenc Balogh Concordia University 2008 Winter Based on the textbook J. Stuart, L. Redlin, S. Watson, Precalculus - Mathematics for Calculus, 5th Edition, Thomson All figures and videos

More information

Arkansas Tech University MATH 1203: Trigonometry Dr. Marcel B. Finan. Review Problems for Test #3

Arkansas Tech University MATH 1203: Trigonometry Dr. Marcel B. Finan. Review Problems for Test #3 Arkansas Tech University MATH 1203: Trigonometry Dr. Marcel B. Finan Review Problems for Test #3 Exercise 1 The following is one cycle of a trigonometric function. Find an equation of this graph. Exercise

More information

PreCalc: Chapter 6 Test Review

PreCalc: Chapter 6 Test Review Name: Class: Date: ID: A PreCalc: Chapter 6 Test Review Short Answer 1. Draw the angle. 135 2. Draw the angle. 3. Convert the angle to a decimal in degrees. Round the answer to two decimal places. 8. If

More information

Solutions to Exercises, Section 5.6

Solutions to Exercises, Section 5.6 Instructor s Solutions Manual, Section 5.6 Exercise 1 Solutions to Exercises, Section 5.6 1. For θ = 7, evaluate each of the following: (a) cos 2 θ (b) cos(θ 2 ) [Exercises 1 and 2 emphasize that cos 2

More information

Unit 5. Algebra 2. Name:

Unit 5. Algebra 2. Name: Unit 5 Algebra 2 Name: 12.1 Day 1: Trigonometric Functions in Right Triangles Vocabulary, Main Topics, and Questions Definitions, Diagrams and Examples Theta Opposite Side of an Angle Adjacent Side of

More information

6.4 & 6.5 Graphing Trigonometric Functions. The smallest number p with the above property is called the period of the function.

6.4 & 6.5 Graphing Trigonometric Functions. The smallest number p with the above property is called the period of the function. Math 160 www.timetodare.com Periods of trigonometric functions Definition A function y f ( t) f ( t p) f ( t) 6.4 & 6.5 Graphing Trigonometric Functions = is periodic if there is a positive number p such

More information

# 1,5,9,13,...37 (hw link has all odds)

# 1,5,9,13,...37 (hw link has all odds) February 8, 17 Goals: 1. Recognize trig functions and their integrals.. Learn trig identities useful for integration. 3. Understand which identities work and when. a) identities enable substitution by

More information

Trigonometric Equations

Trigonometric Equations Chapter Three Trigonometric Equations Solving Simple Trigonometric Equations Algebraically Solving Complicated Trigonometric Equations Algebraically Graphs of Sine and Cosine Functions Solving Trigonometric

More information

θ = = 45 What is the measure of this reference angle?

θ = = 45 What is the measure of this reference angle? OF GENERAL ANGLES Our method of using right triangles only works for acute angles. Now we will see how we can find the trig function values of any angle. To do this we'll place angles on a rectangular

More information

5-5 Multiple-Angle and Product-to-Sum Identities

5-5 Multiple-Angle and Product-to-Sum Identities Find the values of sin 2, cos 2, and tan 2 for the given value and interval. 1. cos =, (270, 360 ) Since on the interval (270, 360 ), one point on the terminal side of θ has x-coordinate 3 and a distance

More information

Honors Algebra 2 w/ Trigonometry Chapter 14: Trigonometric Identities & Equations Target Goals

Honors Algebra 2 w/ Trigonometry Chapter 14: Trigonometric Identities & Equations Target Goals Honors Algebra w/ Trigonometry Chapter 14: Trigonometric Identities & Equations Target Goals By the end of this chapter, you should be able to Identify trigonometric identities. (14.1) Factor trigonometric

More information

Math Section 4.3 Unit Circle Trigonometry

Math Section 4.3 Unit Circle Trigonometry Math 0 - Section 4. Unit Circle Trigonometr An angle is in standard position if its verte is at the origin and its initial side is along the positive ais. Positive angles are measured counterclockwise

More information

13.4 Chapter 13: Trigonometric Ratios and Functions. Section 13.4

13.4 Chapter 13: Trigonometric Ratios and Functions. Section 13.4 13.4 Chapter 13: Trigonometric Ratios and Functions Section 13.4 1 13.4 Chapter 13: Trigonometric Ratios and Functions Section 13.4 2 Key Concept Section 13.4 3 Key Concept Section 13.4 4 Key Concept Section

More information

Chapter 8. Analytic Trigonometry. 8.1 Trigonometric Identities

Chapter 8. Analytic Trigonometry. 8.1 Trigonometric Identities Chapter 8. Analytic Trigonometry 8.1 Trigonometric Identities Fundamental Identities Reciprocal Identities: 1 csc = sin sec = 1 cos cot = 1 tan tan = 1 cot tan = sin cos cot = cos sin Pythagorean Identities:

More information

Math 180 Chapter 6 Lecture Notes. Professor Miguel Ornelas

Math 180 Chapter 6 Lecture Notes. Professor Miguel Ornelas Math 180 Chapter 6 Lecture Notes Professor Miguel Ornelas 1 M. Ornelas Math 180 Lecture Notes Section 6.1 Section 6.1 Verifying Trigonometric Identities Verify the identity. a. sin x + cos x cot x = csc

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Draw the given angle in standard position. Draw an arrow representing the correct amount of rotation.

More information

MATH 1112 FINAL EXAM REVIEW e. None of these. d. 1 e. None of these. d. 1 e. None of these. e. None of these. e. None of these.

MATH 1112 FINAL EXAM REVIEW e. None of these. d. 1 e. None of these. d. 1 e. None of these. e. None of these. e. None of these. I. State the equation of the unit circle. MATH 111 FINAL EXAM REVIEW x y y = 1 x+ y = 1 x = 1 x + y = 1 II. III. If 1 tan x =, find sin x for x in Quadrant IV. 1 1 1 Give the exact value of each expression.

More information

MA 1032 Review for exam III

MA 1032 Review for exam III MA 10 Review for eam III Name Establish the identit. 1) cot θ sec θ = csc θ 1) ) cscu - cos u sec u= cot u ) ) cos u 1 + tan u - sin u 1 + cot u = cos u - sin u ) ) csc θ + cot θ tan θ + sin θ = csc θ

More information

Exercise 1. Consider the following figure. The shaded portion of the circle is called the sector of the circle corresponding to the angle θ.

Exercise 1. Consider the following figure. The shaded portion of the circle is called the sector of the circle corresponding to the angle θ. 1 Radian Measures Exercise 1 Consider the following figure. The shaded portion of the circle is called the sector of the circle corresponding to the angle θ. 1. Suppose I know the radian measure of the

More information

Multiple-Angle and Product-to-Sum Formulas

Multiple-Angle and Product-to-Sum Formulas Multiple-Angle and Product-to-Sum Formulas MATH 160, Precalculus J. Robert Buchanan Department of Mathematics Fall 011 Objectives In this lesson we will learn to: use multiple-angle formulas to rewrite

More information

The reciprocal identities are obvious from the definitions of the six trigonometric functions.

The reciprocal identities are obvious from the definitions of the six trigonometric functions. The Fundamental Identities: (1) The reciprocal identities: csc = 1 sec = 1 (2) The tangent and cotangent identities: tan = cot = cot = 1 tan (3) The Pythagorean identities: sin 2 + cos 2 =1 1+ tan 2 =

More information

Trig/AP Calc A. Created by James Feng. Semester 1 Version fengerprints.weebly.com

Trig/AP Calc A. Created by James Feng. Semester 1 Version fengerprints.weebly.com Trig/AP Calc A Semester Version 0.. Created by James Feng fengerprints.weebly.com Trig/AP Calc A - Semester Handy-dandy Identities Know these like the back of your hand. "But I don't know the back of my

More information

MATH 1113 Exam 3 Review. Fall 2017

MATH 1113 Exam 3 Review. Fall 2017 MATH 1113 Exam 3 Review Fall 2017 Topics Covered Section 4.1: Angles and Their Measure Section 4.2: Trigonometric Functions Defined on the Unit Circle Section 4.3: Right Triangle Geometry Section 4.4:

More information

JUST THE MATHS SLIDES NUMBER 3.5. TRIGONOMETRY 5 (Trigonometric identities & wave-forms) A.J.Hobson

JUST THE MATHS SLIDES NUMBER 3.5. TRIGONOMETRY 5 (Trigonometric identities & wave-forms) A.J.Hobson JUST THE MATHS SLIDES NUMBER 3.5 TRIGONOMETRY 5 (Trigonometric identities & wave-forms by A.J.Hobson 3.5.1 Trigonometric identities 3.5. Amplitude, wave-length, frequency and phase-angle UNIT 3.5 - TRIGONOMETRY

More information

Name: Period: Date: Math Lab: Explore Transformations of Trig Functions

Name: Period: Date: Math Lab: Explore Transformations of Trig Functions Name: Period: Date: Math Lab: Explore Transformations of Trig Functions EXPLORE VERTICAL DISPLACEMENT 1] Graph 2] Explain what happens to the parent graph when a constant is added to the sine function.

More information

Mod E - Trigonometry. Wednesday, July 27, M132-Blank NotesMOM Page 1

Mod E - Trigonometry. Wednesday, July 27, M132-Blank NotesMOM Page 1 M132-Blank NotesMOM Page 1 Mod E - Trigonometry Wednesday, July 27, 2016 12:13 PM E.0. Circles E.1. Angles E.2. Right Triangle Trigonometry E.3. Points on Circles Using Sine and Cosine E.4. The Other Trigonometric

More information

You found trigonometric values using the unit circle. (Lesson 4-3)

You found trigonometric values using the unit circle. (Lesson 4-3) You found trigonometric values using the unit circle. (Lesson 4-3) LEQ: How do we identify and use basic trigonometric identities to find trigonometric values & use basic trigonometric identities to simplify

More information

Trigonometric Functions

Trigonometric Functions Trigonometric Functions Q1 : Find the radian measures corresponding to the following degree measures: (i) 25 (ii) - 47 30' (iii) 240 (iv) 520 (i) 25 We know that 180 = π radian (ii) â 47 30' â 47 30' =

More information

Geometry Problem Solving Drill 11: Right Triangle

Geometry Problem Solving Drill 11: Right Triangle Geometry Problem Solving Drill 11: Right Triangle Question No. 1 of 10 Which of the following points lies on the unit circle? Question #01 A. (1/2, 1/2) B. (1/2, 2/2) C. ( 2/2, 2/2) D. ( 2/2, 3/2) The

More information

PREREQUISITE/PRE-CALCULUS REVIEW

PREREQUISITE/PRE-CALCULUS REVIEW PREREQUISITE/PRE-CALCULUS REVIEW Introduction This review sheet is a summary of most of the main topics that you should already be familiar with from your pre-calculus and trigonometry course(s), and which

More information

Right Triangle Trigonometry (Section 4-3)

Right Triangle Trigonometry (Section 4-3) Right Triangle Trigonometry (Section 4-3) Essential Question: How does the Pythagorean Theorem apply to right triangle trigonometry? Students will write a summary describing the relationship between the

More information

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Math 1316 Ch.1-2 Review Name SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. 1) Find the supplement of an angle whose

More information

MATH 1040 CP 15 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.

MATH 1040 CP 15 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. MATH 1040 CP 15 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 1) (sin x + cos x) 1 + sin x cos x =? 1) ) sec 4 x + sec x tan x - tan 4 x =? ) ) cos

More information

Double-Angle, Half-Angle, and Reduction Formulas

Double-Angle, Half-Angle, and Reduction Formulas Double-Angle, Half-Angle, and Reduction Formulas By: OpenStaxCollege Bicycle ramps for advanced riders have a steeper incline than those designed for novices. Bicycle ramps made for competition (see [link])

More information

Section 8.1 Radians and Arc Length

Section 8.1 Radians and Arc Length Section 8. Radians and Arc Length Definition. An angle of radian is defined to be the angle, in the counterclockwise direction, at the center of a unit circle which spans an arc of length. Conversion Factors:

More information

Pre-Calculus Unit 3 Standards-Based Worksheet

Pre-Calculus Unit 3 Standards-Based Worksheet Pre-Calculus Unit 3 Standards-Based Worksheet District of Columbia Public Schools Mathematics STANDARD PCT.P.9. Derive and apply basic trigonometric identities (e.g., sin 2 θ+cos 2 θ= 1,tan 2 θ + 1 = sec

More information

4.3. Trigonometric Identities. Introduction. Prerequisites. Learning Outcomes

4.3. Trigonometric Identities. Introduction. Prerequisites. Learning Outcomes Trigonometric Identities 4.3 Introduction trigonometric identity is a relation between trigonometric expressions which is true for all values of the variables (usually angles. There are a very large number

More information

Chapter 4/5 Part 2- Trig Identities and Equations

Chapter 4/5 Part 2- Trig Identities and Equations Chapter 4/5 Part 2- Trig Identities and Equations Lesson Package MHF4U Chapter 4/5 Part 2 Outline Unit Goal: By the end of this unit, you will be able to solve trig equations and prove trig identities.

More information

Math 10/11 Honors Section 3.6 Basic Trigonometric Identities

Math 10/11 Honors Section 3.6 Basic Trigonometric Identities Math 0/ Honors Section 3.6 Basic Trigonometric Identities 0-0 - SECTION 3.6 BASIC TRIGONOMETRIC IDENTITIES Copright all rights reserved to Homework Depot: www.bcmath.ca I) WHAT IS A TRIGONOMETRIC IDENTITY?

More information

Trigonometric identities

Trigonometric identities Trigonometric identities An identity is an equation that is satisfied by all the values of the variable(s) in the equation. For example, the equation (1 + x) = 1 + x + x is an identity. If you replace

More information

4-3 Trigonometric Functions on the Unit Circle

4-3 Trigonometric Functions on the Unit Circle Find the exact values of the five remaining trigonometric functions of θ. 33. tan θ = 2, where sin θ > 0 and cos θ > 0 To find the other function values, you must find the coordinates of a point on the

More information

MATH STUDENT BOOK. 12th Grade Unit 5

MATH STUDENT BOOK. 12th Grade Unit 5 MATH STUDENT BOOK 12th Grade Unit 5 Unit 5 ANALYTIC TRIGONOMETRY MATH 1205 ANALYTIC TRIGONOMETRY INTRODUCTION 3 1. IDENTITIES AND ADDITION FORMULAS 5 FUNDAMENTAL TRIGONOMETRIC IDENTITIES 5 PROVING IDENTITIES

More information

Grade 10 Trigonometry

Grade 10 Trigonometry ID : pk-0-trigonometry [] Grade 0 Trigonometry For more such worksheets visit www.edugain.com Answer t he quest ions () Simplif y - 2 sin 3 θ - 2 cos 3 θ (2) If secθ tan θ y, simplif y in terms of θ. (3)

More information

Trigonometric Identities. Copyright 2017, 2013, 2009 Pearson Education, Inc.

Trigonometric Identities. Copyright 2017, 2013, 2009 Pearson Education, Inc. 5 Trigonometric Identities Copyright 2017, 2013, 2009 Pearson Education, Inc. 1 5.3 Sum and Difference Identities Difference Identity for Cosine Sum Identity for Cosine Cofunction Identities Applications

More information

Name Date Class. Identify whether each function is periodic. If the function is periodic, give the period

Name Date Class. Identify whether each function is periodic. If the function is periodic, give the period Name Date Class 14-1 Practice A Graphs of Sine and Cosine Identify whether each function is periodic. If the function is periodic, give the period. 1.. Use f(x) = sinx or g(x) = cosx as a guide. Identify

More information

Module 5 Trigonometric Identities I

Module 5 Trigonometric Identities I MAC 1114 Module 5 Trigonometric Identities I Learning Objectives Upon completing this module, you should be able to: 1. Recognize the fundamental identities: reciprocal identities, quotient identities,

More information

Trigonometry Review Tutorial Shorter Version

Trigonometry Review Tutorial Shorter Version Author: Michael Migdail-Smith Originally developed: 007 Last updated: June 4, 0 Tutorial Shorter Version Avery Point Academic Center Trigonometric Functions The unit circle. Radians vs. Degrees Computing

More information

Unit 6 Test REVIEW Algebra 2 Honors

Unit 6 Test REVIEW Algebra 2 Honors Unit Test REVIEW Algebra 2 Honors Multiple Choice Portion SHOW ALL WORK! 1. How many radians are in 1800? 10 10π Name: Per: 180 180π 2. On the unit circle shown, which radian measure is located at ( 2,

More information

1 Trigonometry. Copyright Cengage Learning. All rights reserved.

1 Trigonometry. Copyright Cengage Learning. All rights reserved. 1 Trigonometry Copyright Cengage Learning. All rights reserved. 1.2 Trigonometric Functions: The Unit Circle Copyright Cengage Learning. All rights reserved. Objectives Identify a unit circle and describe

More information

Fdaytalk.com SILVER ALL. All positive. (+ve) Rest all ( -ve ) CUPS TEA. (180+θ ) & (270-

Fdaytalk.com SILVER ALL. All positive. (+ve) Rest all ( -ve ) CUPS TEA. (180+θ ) & (270- SILVER (90+θ) & (180- θ) Sinθ & cosecθ (+ve) Rest all ( -ve ) TEA (180+θ ) & (70- θ) Tanθ & Cotθ ( +ve) Rest all ( -ve ) ALL (90- θ) & (360+θ) All positive CUPS (70+θ ) & (360-θ) Cosθ & secθ ( +ve ) Rest

More information

Section 5.1 Angles and Radian Measure. Ever Feel Like You re Just Going in Circles?

Section 5.1 Angles and Radian Measure. Ever Feel Like You re Just Going in Circles? Section 5.1 Angles and Radian Measure Ever Feel Like You re Just Going in Circles? You re riding on a Ferris wheel and wonder how fast you are traveling. Before you got on the ride, the operator told you

More information

PROVING IDENTITIES TRIGONOMETRY 4. Dr Adrian Jannetta MIMA CMath FRAS INU0115/515 (MATHS 2) Proving identities 1/ 7 Adrian Jannetta

PROVING IDENTITIES TRIGONOMETRY 4. Dr Adrian Jannetta MIMA CMath FRAS INU0115/515 (MATHS 2) Proving identities 1/ 7 Adrian Jannetta PROVING IDENTITIES TRIGONOMETRY 4 INU05/55 (MATHS 2) Dr Adrian Jannetta MIMA CMath FRAS Proving identities / 7 Adrian Jannetta Proving an identity Proving an identity is a process which starts with the

More information

MHF4U. Advanced Functions Grade 12 University Mitchell District High School. Unit 4 Radian Measure 5 Video Lessons

MHF4U. Advanced Functions Grade 12 University Mitchell District High School. Unit 4 Radian Measure 5 Video Lessons MHF4U Advanced Functions Grade 12 University Mitchell District High School Unit 4 Radian Measure 5 Video Lessons Allow no more than 1 class days for this unit! This includes time for review and to write

More information

Mathematics UNIT FIVE Trigonometry II. Unit. Student Workbook. Lesson 1: Trigonometric Equations Approximate Completion Time: 4 Days

Mathematics UNIT FIVE Trigonometry II. Unit. Student Workbook. Lesson 1: Trigonometric Equations Approximate Completion Time: 4 Days Mathematics 0- Student Workbook Unit 5 Lesson : Trigonometric Equations Approximate Completion Time: 4 Days Lesson : Trigonometric Identities I Approximate Completion Time: 4 Days Lesson : Trigonometric

More information

13-1 Practice. Trigonometric Identities. Find the exact value of each expression if 0 < θ < 90. 1, find sin θ. 1. If cos θ = 1, find cot θ.

13-1 Practice. Trigonometric Identities. Find the exact value of each expression if 0 < θ < 90. 1, find sin θ. 1. If cos θ = 1, find cot θ. 1-1 Practice Trigonometric Identities Find the exact value of each expression if 0 < θ < 90. 1. If cos θ = 5 1, find sin θ.. If cot θ = 1, find sin θ.. If tan θ = 4, find sec θ. 4. If tan θ =, find cot

More information

Pre-Calc Chapter 4 Sample Test. 1. Determine the quadrant in which the angle lies. (The angle measure is given in radians.) π

Pre-Calc Chapter 4 Sample Test. 1. Determine the quadrant in which the angle lies. (The angle measure is given in radians.) π Pre-Calc Chapter Sample Test 1. Determine the quadrant in which the angle lies. (The angle measure is given in radians.) π 8 I B) II C) III D) IV E) The angle lies on a coordinate axis.. Sketch the angle

More information

Algebra and Trig. I. In the last section we looked at trigonometric functions of acute angles. Note the angles below are in standard position.

Algebra and Trig. I. In the last section we looked at trigonometric functions of acute angles. Note the angles below are in standard position. Algebra and Trig. I 4.4 Trigonometric Functions of Any Angle In the last section we looked at trigonometric functions of acute angles. Note the angles below are in standard position. IN this section we

More information

F.TF.A.2: Reciprocal Trigonometric Relationships

F.TF.A.2: Reciprocal Trigonometric Relationships Regents Exam Questions www.jmap.org Name: If sin x =, a 0, which statement must be true? a ) csc x = a csc x = a ) sec x = a sec x = a 5 The expression sec 2 x + csc 2 x is equivalent to ) sin x ) cos

More information

Trigonometric Functions. Copyright 2017, 2013, 2009 Pearson Education, Inc.

Trigonometric Functions. Copyright 2017, 2013, 2009 Pearson Education, Inc. 1 Trigonometric Functions Copyright 2017, 2013, 2009 Pearson Education, Inc. 1 1.4 Using the Definitions of the Trigonometric Functions Reciprocal Identities Signs and Ranges of Function Values Pythagorean

More information

Chapter 3, Part 4: Intro to the Trigonometric Functions

Chapter 3, Part 4: Intro to the Trigonometric Functions Haberman MTH Section I: The Trigonometric Functions Chapter, Part : Intro to the Trigonometric Functions Recall that the sine and cosine function represent the coordinates of points in the circumference

More information

θ = radians; where s = arc length, r = radius

θ = radians; where s = arc length, r = radius TRIGONOMETRY: 2.1 Degrees & Radians Definitins: 1 degree - 1 radian θ r s FORMULA: s θ = radians; where s = arc length, r = radius r IMPLICATION OF FORMULA: If s = r then θ = 1 radian EXAMPLE 1: What is

More information

Trigonometric Integrals Section 5.7

Trigonometric Integrals Section 5.7 A B I L E N E C H R I S T I A N U N I V E R S I T Y Department of Mathematics Trigonometric Integrals Section 5.7 Dr. John Ehrke Department of Mathematics Spring 2013 Eliminating Powers From Trig Functions

More information

Trigonometric Functions

Trigonometric Functions Trigonometric Functions By Daria Eiteneer Topics Covere: Reminer: relationship between egrees an raians The unit circle Definitions of trigonometric functions for a right triangle Definitions of trigonometric

More information

Mathematics Lecture. 3 Chapter. 1 Trigonometric Functions. By Dr. Mohammed Ramidh

Mathematics Lecture. 3 Chapter. 1 Trigonometric Functions. By Dr. Mohammed Ramidh Mathematics Lecture. 3 Chapter. 1 Trigonometric Functions By Dr. Mohammed Ramidh Trigonometric Functions This section reviews the basic trigonometric functions. Trigonometric functions are important because

More information

7.1 INTRODUCTION TO PERIODIC FUNCTIONS

7.1 INTRODUCTION TO PERIODIC FUNCTIONS 7.1 INTRODUCTION TO PERIODIC FUNCTIONS *SECTION: 6.1 DCP List: periodic functions period midline amplitude Pg 247- LECTURE EXAMPLES: Ferris wheel, 14,16,20, eplain 23, 28, 32 *SECTION: 6.2 DCP List: unit

More information

Class 10 Trigonometry

Class 10 Trigonometry ID : in-10-trigonometry [1] Class 10 Trigonometry For more such worksheets visit www.edugain.com Answer t he quest ions (1) An equilateral triangle width side of length 18 3 cm is inscribed in a circle.

More information

MATH 130 FINAL REVIEW version2

MATH 130 FINAL REVIEW version2 MATH 130 FINAL REVIEW version2 Problems 1 3 refer to triangle ABC, with =. Find the remaining angle(s) and side(s). 1. =50, =25 a) =40,=32.6,=21.0 b) =50,=21.0,=32.6 c) =40,=21.0,=32.6 d) =50,=32.6,=21.0

More information

Algebra2/Trig Chapter 10 Packet

Algebra2/Trig Chapter 10 Packet Algebra2/Trig Chapter 10 Packet In this unit, students will be able to: Convert angle measures from degrees to radians and radians to degrees. Find the measure of an angle given the lengths of the intercepted

More information

Prerequisite Knowledge: Definitions of the trigonometric ratios for acute angles

Prerequisite Knowledge: Definitions of the trigonometric ratios for acute angles easures, hape & pace EXEMPLAR 28 Trigonometric Identities Objective: To explore some relations of trigonometric ratios Key Stage: 3 Learning Unit: Trigonometric Ratios and Using Trigonometry Materials

More information

1. Measure angle in degrees and radians 2. Find coterminal angles 3. Determine the arc length of a circle

1. Measure angle in degrees and radians 2. Find coterminal angles 3. Determine the arc length of a circle Pre- Calculus Mathematics 12 5.1 Trigonometric Functions Goal: 1. Measure angle in degrees and radians 2. Find coterminal angles 3. Determine the arc length of a circle Measuring Angles: Angles in Standard

More information

Pythagorean Theorem: Trigonometry Packet #1 S O H C A H T O A. Examples Evaluate the six trig functions of the angle θ. 1.) 2.)

Pythagorean Theorem: Trigonometry Packet #1 S O H C A H T O A. Examples Evaluate the six trig functions of the angle θ. 1.) 2.) Trigonometry Packet #1 opposite side hypotenuse Name: Objectives: Students will be able to solve triangles using trig ratios and find trig ratios of a given angle. S O H C A H T O A adjacent side θ Right

More information

WARM UP. 1. Expand the expression (x 2 + 3) Factor the expression x 2 2x Find the roots of 4x 2 x + 1 by graphing.

WARM UP. 1. Expand the expression (x 2 + 3) Factor the expression x 2 2x Find the roots of 4x 2 x + 1 by graphing. WARM UP Monday, December 8, 2014 1. Expand the expression (x 2 + 3) 2 2. Factor the expression x 2 2x 8 3. Find the roots of 4x 2 x + 1 by graphing. 1 2 3 4 5 6 7 8 9 10 Objectives Distinguish between

More information

Precalculus Second Semester Final Review

Precalculus Second Semester Final Review Precalculus Second Semester Final Review This packet will prepare you for your second semester final exam. You will find a formula sheet on the back page; these are the same formulas you will receive for

More information

Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms. 1)

Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms. 1) MAC 1114 Review for Exam 1 Name Find the exact values of the indicated trigonometric functions. Write fractions in lowest terms. 1) 1) 12 20 16 Find sin A and cos A. 2) 2) 9 15 6 Find tan A and cot A.

More information

2. Be able to evaluate a trig function at a particular degree measure. Example: cos. again, just use the unit circle!

2. Be able to evaluate a trig function at a particular degree measure. Example: cos. again, just use the unit circle! Study Guide for PART II of the Fall 18 MAT187 Final Exam NO CALCULATORS are permitted on this part of the Final Exam. This part of the Final exam will consist of 5 multiple choice questions. You will be

More information

Chapter 1 and Section 2.1

Chapter 1 and Section 2.1 Chapter 1 and Section 2.1 Diana Pell Section 1.1: Angles, Degrees, and Special Triangles Angles Degree Measure Angles that measure 90 are called right angles. Angles that measure between 0 and 90 are called

More information

( x "1) 2 = 25, x 3 " 2x 2 + 5x "12 " 0, 2sin" =1.

( x 1) 2 = 25, x 3  2x 2 + 5x 12  0, 2sin =1. Unit Analytical Trigonometry Classwork A) Verifying Trig Identities: Definitions to know: Equality: a statement that is always true. example:, + 7, 6 6, ( + ) 6 +0. Equation: a statement that is conditionally

More information

Math 1205 Trigonometry Review

Math 1205 Trigonometry Review Math 105 Trigonometry Review We begin with the unit circle. The definition of a unit circle is: x + y =1 where the center is (0, 0) and the radius is 1. An angle of 1 radian is an angle at the center of

More information

Review Test 1. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Review Test 1. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Review Test 1 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Convert the angle to a decimal in degrees. Round the answer to two decimal places. 1)

More information

Principles of Mathematics 12: Explained!

Principles of Mathematics 12: Explained! Principles of Mathematics : Eplained! www.math.com PART I MULTIPLICATION & DIVISION IDENTITLES Algebraic proofs of trigonometric identities In this lesson, we will look at various strategies for proving

More information

Grade 10 Trigonometry

Grade 10 Trigonometry ID : ww-10-trigonometry [1] Grade 10 Trigonometry For more such worksheets visit www.edugain.com Answer t he quest ions (1) If - 0, f ind value of sin 4 θ - cos 4 θ. (2) Simplif y 3(sin 4 θ cos 4 θ) -

More information

Precalculus ~ Review Sheet

Precalculus ~ Review Sheet Period: Date: Precalculus ~ Review Sheet 4.4-4.5 Multiple Choice 1. The screen below shows the graph of a sound recorded on an oscilloscope. What is the period and the amplitude? (Each unit on the t-axis

More information

One of the classes that I have taught over the past few years is a technology course for

One of the classes that I have taught over the past few years is a technology course for Trigonometric Functions through Right Triangle Similarities Todd O. Moyer, Towson University Abstract: This article presents an introduction to the trigonometric functions tangent, cosecant, secant, and

More information

Math 102 Key Ideas. 1 Chapter 1: Triangle Trigonometry. 1. Consider the following right triangle: c b

Math 102 Key Ideas. 1 Chapter 1: Triangle Trigonometry. 1. Consider the following right triangle: c b Math 10 Key Ideas 1 Chapter 1: Triangle Trigonometry 1. Consider the following right triangle: A c b B θ C a sin θ = b length of side opposite angle θ = c length of hypotenuse cosθ = a length of side adjacent

More information

Trigonometry Review Page 1 of 14

Trigonometry Review Page 1 of 14 Trigonometry Review Page of 4 Appendix D has a trigonometric review. This material is meant to outline some of the proofs of identities, help you remember the values of the trig functions at special values,

More information

Pythagorean Identity. Sum and Difference Identities. Double Angle Identities. Law of Sines. Law of Cosines

Pythagorean Identity. Sum and Difference Identities. Double Angle Identities. Law of Sines. Law of Cosines Review for Math 111 Final Exam The final exam is worth 30% (150/500 points). It consists of 26 multiple choice questions, 4 graph matching questions, and 4 short answer questions. Partial credit will be

More information

cos sin sin 2 60 = 1.

cos sin sin 2 60 = 1. Name: Class: Date: Use the definitions to evaluate the six trigonometric functions of. In cases in which a radical occurs in a denominator, rationalize the denominator. Suppose that ABC is a right triangle

More information

#9: Fundamentals of Trigonometry, Part II

#9: Fundamentals of Trigonometry, Part II #9: Fundamentals of Trigonometry, Part II November 1, 2008 do not panic. In the last assignment, you learned general definitions of the sine and cosine functions. This week, we will explore some of the

More information

Algebra 2/Trigonometry Review Sessions 1 & 2: Trigonometry Mega-Session. The Unit Circle

Algebra 2/Trigonometry Review Sessions 1 & 2: Trigonometry Mega-Session. The Unit Circle Algebra /Trigonometry Review Sessions 1 & : Trigonometry Mega-Session Trigonometry (Definition) - The branch of mathematics that deals with the relationships between the sides and the angles of triangles

More information

Trigonometry. An Overview of Important Topics

Trigonometry. An Overview of Important Topics Trigonometry An Overview of Important Topics 1 Contents Trigonometry An Overview of Important Topics... 4 UNDERSTAND HOW ANGLES ARE MEASURED... 6 Degrees... 7 Radians... 7 Unit Circle... 9 Practice Problems...

More information