Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Mid-Chapter Check Point - Page 578: 30



Work Step by Step

Step 1. Based on the given configuration, assuming the elevation angle is $\theta$, we have $tan\theta=\frac{50}{60}=\frac{5}{6}$ Step 2. The angle $\theta$ can be found as $\theta=tan^{-1}(\frac{5}{6})\approx40^\circ$
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