Trigonometry 7th Edition

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

Chapter 3 - Section 3.3 - Definition III: Circular Functions - 3.3 Problem Set - Page 143: 14

Answer

$\sin\frac{\pi}{2}$ = 1

Work Step by Step

Recall Definiton 3: $\sin\theta$ = y Substitute: $\sin\frac{\pi}{2}$ = 1
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