Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 6 - The Circular Functions and Their Graphs - 6.2 The Unit Circle and Circular Functions - 6.2 Exercises - Page 589: 63

Answer

$\tan^{-1}{0.2126} \color{blue}{\approx 0.2095}$

Work Step by Step

Use the inverse tangent function of a calculator in radian mode, then round-off the answer to four decimal places to obtain: $\tan^{-1}{0.2126} \color{blue}{\approx 0.2095}$
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