Answer
$-210^{\circ}$
Work Step by Step
$-\frac{7\pi}{6}$ radians = $-\frac{7\pi}{6}(\frac{180^{\circ}}{\pi})$=$-210^{\circ}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 3 - Test - Page 131: 5
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