Answer
-2
Work Step by Step
The point (π/2,0) is in the equation's domain, so plug the point into the equation to evaluate the limit:
$\frac{cos(0)+1}{0-sin(π/2)}=2/-1=-2$
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 14: Partial Derivatives - Section 14.2 - Limits and Continuity in Higher Dimensions - Exercises 14.2 - Page 796: 12
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