Answer
$37^\circ35'$
Work Step by Step
Use the figure given in the exercise, we have the angle of depression $\theta$ satisfies $tan\theta=\frac{39.82}{51.74}$, thus $\theta=atan(\frac{39.82}{51.74})\approx37^\circ35'$
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 - 5.4 Solutions and Applications off Right Triangles - 5.4 Exercises - Page 549: 49
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