Precalculus (6th Edition) Blitzer

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

Chapter 4 - Section 4.2 - Trigonometric Functions: The Unit Circle - Exercise Set - Page 547: 11



Work Step by Step

(-$\frac{\sqrt 3}{2}$ , -$\frac{1}{2}$) csc $\frac{7\pi}{6}$ is computed by $\frac{1}{y}$. So csc $\frac{7\pi}{6}$ = $\frac{1}{-\frac{1}{2}}$ = -2.
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