Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 11 - Review Exercises - Page 533: 31

Answer

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

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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