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April 1, 2015

April 1, 2015

Posted by **olivia** on Friday, March 23, 2012 at 6:26pm.

- precal -
**Damon**, Friday, March 23, 2012 at 6:39pm(1/sin^2)(1 -cos^2) = 1

but 1 - cos^2 = sin^2

(1/sin^2)(sin^2) = 1 yes

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