Answer
$0$
Work Step by Step
$$\lim_{x \to 0}\ln(\cos(x))=\ln(\cos(0))=\ln (1)=0$$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 6 - Inverse Functions - 6.3 Logarithmic Functions - 6.3 Exercises - Page 427: 49
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