Answer
80.5 degrees
Work Step by Step
Using the given triangle, we find:
$$ tan\theta = \frac{6}{1} \\ \theta = cos^{-1}(\frac{6}{1}) \\ \theta = 80.5^{\circ}$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 13, Trigonometric Ratios and Functions - 13.4 Evaluate Inverse Trigonometric Functions - 13.4 Exercises - Skill Practice - Page 878: 28
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