Wednesday

March 4, 2015

March 4, 2015

Posted by **Anonymous** on Sunday, November 4, 2012 at 11:07am.

- Math -
**Steve**, Sunday, November 4, 2012 at 1:16pmuse power rule and chain rule:

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

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