Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 7 - Exponential Functions - 7.9 Hyperbolic Functions - Exercises - Page 384: 9


$$ y'= 9\cosh (9x)$$

Work Step by Step

Since $ y=\sinh (9x)$, then using the chain rule, the derivative $ y'$ is given by $$ y'= \cosh (9x) (9x)'=9\cosh (9x)$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.