Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 4 - Section 4.6 - Graphs of Other Trigonometric Functions - Concept and Vocabulary Check - Page 609: 6


$y=2cos(\pi x)$

Work Step by Step

As $sex(\pi x)=\frac{1}{cos(\pi x)}$, we can first graph $y=2cos(\pi x)$ and then use the reciprocal property to obtain $y=2sec(\pi x)$. Thus the answer is $y=2cos(\pi x)$ .
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