Prove Trig. Identity

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Prove Trig. Identity

Postby Kaka » Tue 06 December, 2011 11:05

How do you prove the following identity?

`(cos^2x)`/`(1+2sin(x)-3sin(x))`=`(1+sin(x))`/`(1+3sin(x))`
Kaka
 
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