Trigonometry

Module 14 -- Intermediate Mathematics

Contents

Preface
Introduction

Glossary
Glossary
Acute angle
Cosine of an angle
Hypotenuse
Leg
Pythagorean Theorem
Right triangle
Sine of an angle
Tangent of an angle

Introduction
What is Trigonometry?
Example 1-1

Unit 1
The right triangle
Exercise 1

Unit 2
Angles and sides
Example 2-1
Solution
Exercise 2

Unit 3
Pythagoras' Theorem
Example 3-1
Solution
Example 3-2
Solution
Exercise 3

Unit 4
The tangent ratio
Example 4-1
Solution
Exercise 4

Unit 5
Using the tangent ratio
Example 5-1
Solution
Example 5-2
Solution
Example 5-3
Solution
Exercise 5

Unit 6
The sine and cosine ratios
Example 6-1
Solution
Example 6-2
Solution
Example 6-3
Solution
Exercise 6

Unit 7
Solving triangles
Example 7-1
Solution
Example 7-2
Solution
Exercise 7
Practice Test

Appendix A
Appendix A: Trigonometry table
Answers
Exercise 1 - page 7
Exercise 2 - pages 9-10
Exercise 3 - pages 13-15
Exercise 4 - pages 18-19
Exercise 5 - pages 23-25
Exercise 6 - pages 28-31
Exercise 7 - pages 34-35
Practice Test - pages 36-37

Date last modified: April 1, 2011.
Originally prepared in 1999 by Sarah Brodie, North Island College; Pat Corbett, North Island College; Paul Grinder, Okanagan University College; Peter Robbins, Kwantlen University College; Ada Sarsiat, Northwest Community College; for the Province of British Columbia, Ministry of Advanced Education, Training and Technology and the Centre for Curriculum, Transfer and Technology. Revised 2000. Online Version 2011 by Martin Buck, Camosun College