Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 4 - Graphs of the Circular Functions - Section 4.4 Graphs of the Secant and Cosecant Functions - 4.4 Exercises - Page 175: 25

Answer

True

Work Step by Step

RECALL: (1) $\tan{\theta} = \frac{y}{x}$ (2) $\sec{\theta} = \frac{r}{x}$ Since they have the same denominator, then they must be have the same domains, which means they are defined for the same values.
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