Answer
-2
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.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
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
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