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September 21, 2014

September 21, 2014

Posted by **Julie** on Thursday, April 12, 2012 at 12:31am.

b) determine the derivative of y = 2SinxCosx

c) shoe that derivatives in parts a) and b) are equal

d) explain why derivatives in parts a) and be should be equal.

- Calculus grade 12 -
**Logan**, Thursday, April 12, 2012 at 2:01ama) 2cos2x

b) 2cosx*cosx - 2sinx*sinx = 2cos2x

c) double angle identity

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