## A community for students. Sign up today

Here's the question you clicked on:

## anonymous 5 years ago if possible find a solution to 4cos(theta)=-.612

• This Question is Closed
1. anonymous

We need to isolate theta. How do we start that?

2. anonymous

divide by 4

3. anonymous

Yes. Then we have $\cos \theta=-.153$

4. anonymous

then do you take the arccos of -.153?

5. anonymous

Sure do. :)

#### Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy