Answer
$sec~(sec^{-1}~2) = 2$
Work Step by Step
Let $~~\theta = sec^{-1}~2$
Then: $~~sec~\theta = 2$
Therefore, $~~sec~(sec^{-1}~2) = 2$
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 6 - Inverse Circular Functions and Trigonometric Equations - Section 6.1 Inverse Circular Functions - 6.1 Exercises - Page 260: 89
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