Answer
$\cos t * tan t=\sin t$
Work Step by Step
$\cos t\tan t$
Change $\tan t$ with $\dfrac{\sin t}{\cos t}$:
$\cos t\tan t=\cos t(\dfrac{\sin t}{\cos t})=...$
Simplify:
$\cos t\tan t=\cos t(\dfrac{\sin t}{\cos t})=\sin t$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 7 - Section 7.1 - Trigonometric Identities - 7.1 Exercises - Page 542: 3
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.
