Answer
$\sec\theta=-\frac{12}{7}$
Work Step by Step
$\sec\theta=\frac{1}{\cos\theta}=\frac{1}{-\frac{7}{12}}=-\frac{12}{7}$
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 1 - Test - Page 46: 21
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