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December 20, 2014

December 20, 2014

Posted by **hailey** on Tuesday, September 27, 2011 at 10:42am.

find derivative using chain rule

- calculus-derivatives -
**Count Iblis**, Tuesday, September 27, 2011 at 1:58pmy = x^3

x = cos(z)

z = 12 teta

dy/dtheta =

(dy/dz) (dz/dtheta) =

(dy/dx) (dx/dz) (dz/dtheta) =

3 x^2 [-sin(z)] 12 =

-36 cos^2(z) sin(z) =

-36 cos^2(12 theta) sin(12 theta)

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