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February 26, 2015

February 26, 2015

Posted by **Tiffany** on Sunday, March 11, 2012 at 5:13pm.

I f(x)=(sin^2* x)/2

II f(x)=(cos^2* x)/2

III f(x)=-cos(2x)/4

- calculus -
**bobpursley**, Sunday, March 11, 2012 at 5:18pmWhy dont you in your head take the derivate of the answers?

d sin^2 x/2= 1/2 sinx cosx * 2

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