Answer
$1$
Work Step by Step
$\lim _{x\rightarrow \pi }\dfrac {\cos ^{2}x+3\cos x+2}{\cos x+1}=\dfrac {\left( \cos x+1\right) \left( \cos x+2\right) }{\cos x+1}=\cos x+2=\cos \pi +2=-1+2=1$
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Chapter 2 - Limits - 2.6 Continuity - 2.6 Exercises - Page 110: 71
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