Answer
Impossible. They both should have the same sign.
Work Step by Step
Because cosine and secant are reciprocal functions
$\cos\theta=\frac{1}{\sec\theta}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Trigonometric Functions - Section 1.4 Using the Definitions of the Trigonometric Functions - 1.4 Exercises - Page 37: 60
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