Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.3 Finding Trigonometric Function Values Using a Calculator - 2.3 Exercises: 34


$\theta$ $\approx$ 77.83135944$^{\circ}$

Work Step by Step

$\cot$ $\theta$ = 0.21563481 Therefore: $\tan$ $\theta$ = $\frac{1}{cot\theta}$ $\tan$ $\theta$ = $\frac{1}{0.21563481}$ $\tan$ $\theta$ = 4.63747017 $\theta$ = $\tan$$^{-1}$ 4.63747017 Utilizing the calculator: $\theta$ $\approx$ 77.83135944$^{\circ}$
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