Trigonometry 7th Edition

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

Chapter 4 - Section 4.7 - Inverse Trigonometric Functions - 4.7 Problem Set - Page 261: 36

Answer

$-\frac{\pi}{2}$

Work Step by Step

The angle between $-\frac{\pi}{2}$ and $\frac{\pi}{2}$ (including $-\frac{\pi}{2}$ and $\frac{\pi}{2}$) whose sine is -1 is $-\frac{\pi}{2}$. $\arcsin (-1)=-\frac{\pi}{2}$
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