Friday

August 22, 2014

August 22, 2014

Posted by **Anonymous** on Saturday, November 9, 2013 at 1:29pm.

- Precalculus -
**Damon**, Saturday, November 9, 2013 at 2:08pm[sin x/(1+cos x)] [ [1-cos x)/(1-cos x) ]

= sin x (1-cos x) /(1 - cos^2 x)

BUT

1 - cos^2 x = sin^2 x

get it?

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