## Trigonometry (11th Edition) Clone

Published by Pearson

# Chapter 6 - Quiz (Sections 6.1-6.3) - Page 282: 7b

#### Answer

$t = 0.2015~s$

#### Work Step by Step

We can find the least value of $t$ such that $V = 0.30$: $V = cos~2\pi~t$ $cos~2\pi~t = 0.30$ $2\pi~t = arccos(0.30)$ $2\pi~t = 1.266$ $t = \frac{1.266}{2\pi}$ $t = 0.2015~s$

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.