Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 6 - 6.4 - Graphs of Sine and Cosine Functions - 6.4 Exercises - Page 464: 11


$Amplitude=\frac{5}{3}$ $Period=24$

Work Step by Step

If $y=a~cos(bx)$ $Amplitude=|a|$ $Period=\frac{2\pi}{b}$ $y=-\frac{5}{3}~cos(\frac{\pi x}{12})$ $Amplitude=|-\frac{5}{3}|=\frac{5}{3}$ $Period=\frac{2\pi}{\frac{\pi}{12}}=2\pi\frac{12}{\pi}=\frac{24\pi}{\pi}=24$
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.