Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.3 - Right Triangle Trigonometry - Exercise Set - Page 561: 41

Answer

$0.395$ radians

Work Step by Step

In RAD mode, use a scientific calculator and press the inverse tangent function $\tan^{-1}$ Suppose $\tan \theta =0.4169$ This gives: $ \theta \approx 0.395$ radians
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