Answer
$\frac{8}{5}$
Work Step by Step
$\sec\theta=\frac{1}{\cos\theta}=\frac{1}{\frac{5}{8}}=\frac{8}{5}$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - 5.2 Trigonometric Functions - 5.2 Exercises - Page 519: 88
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