Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 13, Trigonometric Ratios and Functions - 13.3 Evaluate Trigonometric Functions of Any Angle - Guided Practice for Examples 3 and 4 - Page 877: 12


51.3 degrees

Work Step by Step

Using the given triangle, we find: $$ tan\theta = \frac{10}{8} \\ \theta = tan^{-1}(\frac{10}{8}) \\ \theta = 51.3^{\circ}$$
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