Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 7 - Trigonometry and Periodic Functions - Strengthen Your Understanding - Page 321: 57

Answer

True

Work Step by Step

Secant is equal to one over cosine. Since the cosine of pi is negative 1, it follows that the secant of pi is: $$\frac{1}{-1}=-1$$
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.