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 - Page 403: 72


$\csc{(\frac{5\pi}{13})}\approx 1.07$

Work Step by Step

RECALL: $\csc{x} = \dfrac{1}{\sin{x}}$ Use a scientific calculator in radian mode. Round-off answer to two decimal places to obtain: $\csc{(\frac{5\pi}{13})} =\dfrac{1}{\sin{(\frac{5\pi}{13})}}\approx 1.07$
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