Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 6 - Trigonometric Functions - 6.2 Trigonometric Functions: Unit Circle Approach - 6.2 Assess Your Understanding: 69

Answer

$ \approx 0.32$

Work Step by Step

Using calculator in radian mode gives: $\tan \left( \dfrac {\pi }{10}\right) =0.324919696\ldots \approx 0.32$
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