Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 7 - Applications of Trigonometric Functions - Section 7.1 Right Triangle Trigonometry ; Applications - 7.1 Assess Your Understanding - Page 539: 2

Answer

$\theta\approx26.6°$

Work Step by Step

$\theta$ is an acute angle so $0°< \theta<90°$. We know that, $\tan\theta=\frac{1}{2}$, this means that we use the inverse tangent function and a calculator in degree mode to obtain: $\theta=\tan^{-1}(\frac{1}{2})\approx26.6°$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.