Answer
Impossible.
Work Step by Step
$|\sec\theta|= |-0.9|= 0.9\lt1$
Because $|\sec\theta|\geq 1$ for all $\theta$ for which the secant is defined, the statement $\sec\theta=-0.9$ is impossible.
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 5 - Trigonometric Functions - 5.2 Trigonometric Functions - 5.2 Exercises - Page 520: 128
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.
