Answer
$\lim\limits_{x\to0}\dfrac{3(1-\cos{x})}{x}=3.$
Work Step by Step
Using Theorem $1.9$:
$\lim\limits_{x\to0}\dfrac{3(1-\cos{x})}{x}=3\lim\limits_{x\to0}\dfrac{1-\cos{x}}{x}=3(0)=0.$
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter 1 - Limits and Their Properties - 1.3 Exercises - Page 68: 64
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