Answer
False
Work Step by Step
False, sin and sec will only have the same sign in quadrants 1 & 3 where both will either be positive or negative. The reciprocal of sine is csc, not sec.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.3 - Trigonometric Function of Any Angle - 6.3 Exercises - Page 456: 111
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