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: 17

Answer

$\frac{\cos 77}{\sin 77}$ $\approx$ 0.23086819

Work Step by Step

$\frac{\cos 77}{\sin 77}$ $\frac{\cos\theta}{\sin\theta}$ = $\cot$ $\theta$ Therefore: $\frac{\cos 77}{\sin 77}$ = $\cot$ 77$^{\circ}$ $\cot$ 77$^{\circ}$ $\approx$ 0.23086819 Therefore: $\frac{\cos 77}{\sin 77}$ $\approx$ 0.23086819
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