Answer
$ \frac{1}{\cos\theta}$
Work Step by Step
We know that $\sec\theta$ and $\cos\theta$ are reciprocal to each other-
Therefore-
$\sec\theta\times\cos\theta$ = 1
or $\sec\theta$ = $ \frac{1}{\cos\theta}$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 1 - Section 1.5 - More on Identities - 1.5 Problem Set - Page 45: 7
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