Answer
$0.9$
Work Step by Step
As $\sin (\theta+2\pi)=\sin(\theta+4\pi)=\sin\theta$, then
$\sin\theta+\sin(\theta+2\pi)+\sin(\theta+4\pi)=\sin{\theta}+\sin{\theta}+\sin{\theta}=3\sin\theta=3(0.3)=0.9$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 5 - Trigonometric Functions - Section 5.3 Properties of the Trigonometric Functions - 5.3 Assess Your Understanding - Page 418: 89
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.
