I've stumbled across another problem that I'm having a hard time solving.

Prove that:

Help appreciated as always!

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- Feb 11th 2010, 06:06 AMCrotonAnother proving identities problem
I've stumbled across another problem that I'm having a hard time solving.

Prove that:

Help appreciated as always! - Feb 11th 2010, 06:38 AMdedust
- Feb 11th 2010, 06:39 AMpencil09
- Feb 11th 2010, 06:43 AMCalculus26
See attachment

- Feb 11th 2010, 07:22 AMCroton
That helped a lot, thanks!