Trigonometry (10th Edition)

Published by Pearson
ISBN 10: 0321671775
ISBN 13: 978-0-32167-177-6

Chapter 4 - Graphs of the Circular Functions - Section 4.4 Graphs of the Secant and Cosecant Functions - 4.4 Exercises - Page 175: 33a

Answer

$a=4$ m

Work Step by Step

We need to substitute $t=0$ in the equation and solve for $a$: $a=4|\sec 2\pi t|$ $a=4|\sec 2\pi (0)|$ $a=4|\sec 0|$ $a=4|\frac{1}{\cos 0}|$ $a=4|1|$ $a=4$ m
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.