Answer
$\pi$
Work Step by Step
RECALL:
Since secant and arcsecant are inverse functions of each other, then, for all valid values of $x$,
$\text{arcsec}{(\sec(x))}=x$
Thus,
$\text{arcsec}{(\sec{(\pi)})}=\pi$
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 - Review Exercises - Page 285: 26
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