## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Chapter 6 - 6.6 - Inverse Trigonometric Functions - 6.6 Exercises - Page 486: 100b

#### Answer

$21.801$ and $57.995$

#### Work Step by Step

We will take the tangent of an angle. That is, $\tan \theta =\dfrac{s}{750}$ Now, take the inverse of the tangent of an angle. $\theta=\arctan (\dfrac{s}{750})$ or, $\theta=\tan^{-1} (\dfrac{s}{750})$ Plug in the data to obtain: $\theta=\arctan (\dfrac{300}{750})=21.801$ and $\theta=\arctan (\dfrac{1200}{750})= 57.995$

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