Answer
$\dfrac{\pi}{2}$
Work Step by Step
From the unit circle, we know that $\sin (\dfrac{\pi}{2})=1$
Thus, the inverse of the sine function can be expressed as:
$\sin^{-1}(1)=\dfrac{\pi}{2}$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 6 - Analytic Trigonometry - Chapter Review - Review Exercises - Page 527: 1
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