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