Answer
-1
Work Step by Step
We are given the function:
$f(x)=\sin x$
Determine $f'(x)$:
$f'(x)=\cos x$
Substitute $x=\pi$ to find $f'(\pi)$:
$f'(\pi)=\cos\pi=-1$
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 3 - Derivatives - 3.5 Derivatives of Trigonometric Functions - 3.5 Exercises - Page 169: 5
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