Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 11 - Review Exercises - Page 526: 31


$\cos\theta=\frac{24}{25}$ $\sec\theta=\frac{25}{24}$

Work Step by Step

$\sin\theta=\frac{7}{25}$ $\cos^2\theta+\sin^2\theta=1$ $\cos^2\theta=\frac{576}{625}$ $\cos\theta=\frac{24}{25}$ $\sec\theta=\frac{1}{\cos\theta}$ $\sec\theta=\frac{25}{24}$
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