Answer
$(-\infty,\infty)$, $[-1,1]$.
Work Step by Step
The domain of both the sine and cosine functions (in interval form) is $(-\infty,\infty)$, and the range is $[-1,1]$.
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: 4
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