Answer
$1$
Work Step by Step
Evaluate the limit by direct substitution.
$\lim\limits_{x \to 0} \cos(x^3+3x)=\cos(0^3+3\cdot 0)=\cos 0=1$
Calculus: Early Transcendentals 9th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1337613924
ISBN 13:
978-1-33761-392-7
Chapter 2 - Review - Exercises - Page 168: 3
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