Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 3 - Radian Measure and the Unit Circle - Section 3.3 The Unit Circle and Circular Functions - 3.3 Exercises - Page 124: 64



Work Step by Step

$\cot s=\frac{1}{\tan s}=0.2994$ $\frac{1}{\tan s}=0.2994$ can be rearranged to $\tan s=\frac{1}{0.2994}$ $\tan s=\frac{1}{0.2994}$ is further rearranged to $s=\tan^{-1} \frac{1}{0.2994}$ Ensuring that the calculator is in radians, we type $\tan^{-1} \frac{1}{0.2994}$ into the calculator and solve: $s=\tan^{-1} \frac{1}{0.2994}\approx1.2799$
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