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August 28, 2015
Posted by **Blossom ** on Saturday, March 24, 2012 at 3:03pm.

- Trig -
**G**, Saturday, March 24, 2012 at 3:21pm(cosx/sinx X sinx)(1/cosx - cosx) = sin^2x

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

1-cos^2x = sin^2x

sin^2x = sin^2x

PROVED