Answer
period $ \frac{8\pi}{3}$, amplitude $1$, see graph.
Work Step by Step
Given $y=cos(\frac{3x}{4})$, we can identify its period as $p=\frac{2\pi}{3/4}=\frac{8\pi}{3}$ and its amplitude as $1$, see graph.
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 6 - The Circular Functions and Their Graphs - 6.3 Graphs of the Sine and Cosine Functions - 6.3 Exercises - Page 601: 25
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
