Answer
$$ z_x= (\cos x)(\sin y), \quad z_x= (\sin x)(\cos y).
$$
Work Step by Step
Recall that $(\sin x)'=\cos x$.
Since $ z= (\sin x)(\sin y) $, then we have
$$ z_x= (\cos x)(\sin y), \quad z_x= (\sin x)(\cos y).
$$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 15 - Differentiation in Several Variables - 15.3 Partial Derivatives - Exercises - Page 781: 21
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
