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.
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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 $\displaystyle 2\cos{x}$ and it will become clear what needs to be done.
*facepalm* Man I'm rusty.
Originally Posted by Intrusion *facepalm* Man I'm rusty. You got it then?
Yeah I got it, thanks.
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