problem in general solutionAttachment 5431

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- Mar 19th 2008, 09:21 AMafeasfaerw23231233problem in general solution
problem in general solutionAttachment 5431

- Mar 19th 2008, 09:41 AMtopsquark
- Mar 19th 2008, 09:51 AMTheEmptySetThis may help.
I messed this up. I will try again.

- Mar 19th 2008, 10:14 AMTheEmptySet
Maybe i'm wrong but

$\displaystyle \cos(x \pm y)=\cos(x) \cos(y) \mp \sin(x) \sin(y)$

How do you make the connection? - Mar 19th 2008, 10:22 AMtopsquark