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 4 - Graphs of the Circular Functions - Section 4.3 Graphs of the Tangent and Cotangent Functions - 4.3 Exercises - Page 167: 41

Answer

The statement in the question is false.

Work Step by Step

The statement in the question is false. The graph of $y = tan~x$ suggests that $tan(-x) = -tan(x)$ for all $x$ in the domain of $tan~x$

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