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April 18, 2014

April 18, 2014

Posted by **Ted** on Monday, November 17, 2008 at 9:36pm.

Solve for x.

- Trig -
**Ted**, Monday, November 17, 2008 at 9:51pmPlease.

- Trig -
**Ted**, Monday, November 17, 2008 at 10:10pm(2cos^2x-1)(2cosx+1)=0

^

[Double angle identity]

Now I'm stuck.

- Trig -
**IHaveScabs**, Saturday, October 12, 2013 at 11:14amhey ted did you ever figure that out because if so tell me tell me now plz i need this very much

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