Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.4 Trigonometric Functions - Exercises - Page 31: 39

Answer

The amplitude of function $(\mathrm{A})$ is 3. The period of function $(\mathrm{A})$ is $4 \pi$.

Work Step by Step

The amplitude is the distance from peak to trough, divided by 2. The period is the horizontal length to complete one cycle.
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