Answer
True
Work Step by Step
The function's domain is the set of real numbers and it has an $x$-intercept with a period of $\pi$, therefore it will have infinite many $x$-intercepts.
Hence, the statement is true.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 6 - Trigonometric Functions - 6.4 Graphs of the Sine and Cosine Functions - 6.4 Assess Your Understanding - Page 407: 8
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