Calculus (3rd Edition)

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

Chapter 5 - The Integral - 5.7 Substitution Method - Exercises - Page 275: 4


$$ du = \sec^2 x dx .$$

Work Step by Step

Recall that $(\tan x)'=\sec^2 x$. $$ u=\tan x \Longrightarrow du = \sec^2 x dx .$$
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.