Trigonometry (10th Edition)

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

Chapter 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.1 Inverse Circular Functions - 6.1 Exercises - Page 259: 54

Answer

$29.506181^{\circ}$

Work Step by Step

Ensuring that the calculator is in degree mode, we enter $\cot^{-1} (1.7670492)$ as $\tan^{-1} (\frac{1}{1.7670492})$ into the calculator and solve: $\tan^{-1} (\frac{1}{1.7670492})\approx29.506181^{\circ}$
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