Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 5 - Trigonometric Functions - Section 5.2 Trigonometric Functions: Unit Circle Approach - 5.2 Assess Your Understanding: 69

Answer

$\tan{(\frac{\pi}{10})} \approx 0.32$

Work Step by Step

Use a scientific calculator in radian mode. Round-off answer to two decimal places to obtain: $\tan{(\frac{\pi}{10})} \approx 0.32$
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