# Thread: Solving for x equation

1. ## Solving for x equation

I'm going over some pre-calc that has gotten rusty and I can't seem to remember how to do this type of problem. I don't have a pre-calc textbook :/

Thanks for all help.

2. Originally Posted by Intrusion
I'm going over some pre-calc that has gotten rusty and I can't seem to remember how to do this type of problem. I don't have a pre-calc textbook :/

Thanks for all help.
Factor out $2\cos{x}$ and it will become clear what needs to be done.

3. *facepalm* Man I'm rusty.

4. Originally Posted by Intrusion
*facepalm* Man I'm rusty.
You got it then?

5. Yeah I got it, thanks.