Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 7 - Analytic Trigonometry - 7.2 The Inverse Trigonometric Functions (Continued) - 7.2 Assess Your Understanding - Page 457: 4


$x=\sec(y)$, $\geq1$, $0$, $\pi$.

Work Step by Step

If $\sec{(x)}=y$ then for the inverse function $\sec^{-1}{(y)}=x.$ Hence here it means $x=\sec(y)$, where $|x|\geq1$ and $0\leq y\leq \pi$.
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