Answer
$\sec\theta-\cos\theta$
Work Step by Step
$(1-\cos\theta)(1+\sec\theta)$
$=1+\sec\theta-\cos\theta-\cos\theta\sec\theta$
$=1+\sec\theta-\cos\theta-1$
$=\sec\theta-\cos\theta$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 7 - Trigonometric Identities and Equations - 7.1 Fundamental Identities - 7.1 Exercises - Page 659: 61
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.
