Answer
$0.2095$
Work Step by Step
$\tan s=0.2126$ can be written as $s=\tan^{-1} (0.2126)$.
Ensuring that the calculator is in radians, we type $\tan^{-1} (0.2126)$ into the calculator and solve:
$s=\tan^{-1} (0.2126)\approx0.2095$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
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: 61
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