Can't seem to prove this one, help please

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- November 11th 2008, 07:24 PMRajProve Trig Identity

Can't seem to prove this one, help please - November 11th 2008, 07:58 PMmr fantastic
- November 12th 2008, 08:30 AMRajQuote:

Substitute http://www.mathhelpforum.com/math-he...3a6cd29b-1.gif. Multiply numerator and denominator by http://www.mathhelpforum.com/math-he...3efbed9d-1.gif.

- November 12th 2008, 12:52 PMmr fantastic