Answer
$3,\frac{\pi}{3}$.
Work Step by Step
Given $y=3 cos(6x)$, we can find its amplitude $|A|=3$ and period $p=\frac{2\pi}{6}=\frac{\pi}{3}$.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 5 - Trigonometric Functions - Section 5.4 Graphs of the Sine and Cosine Functions* - 5.4 Assess Your Understanding - Page 431: 5
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