Answer
$16.166641^\circ$
Work Step by Step
Given $sin\theta=0.27843196$ and $\theta\in[0,90^\circ]$, use a scientific calculator, we have $\theta=asin(0.27843196)\approx16.166641^\circ$ (here $asin=arcsin=sin^{-1}$)
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - Test - Page 563: 25
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