Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 1 - Section 1.3 - Definition I: Trigonometric Functions - 1.3 Problem Set - Page 31: 1


terminal, distance, origin

Work Step by Step

Definition I defines the six trigonometric functions of an angle $\theta$ with the help of rectangular co-ordinates of a point on its terminal side (x, y) and its distance (r) from the origin (0, 0).
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