Answer
$\approx 17^o$
Work Step by Step
In DEG mode, use a calculators inverse sine ($\sin^{-1}{}$) function to obtain:
$\sin^{-1}{0.2974} \approx 17^o$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 4 - Section 4.3 - Right Triangle Trigonometry - Exercise Set - Page 561: 35
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