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January 30, 2015

January 30, 2015

Posted by **Anonymous** on Friday, March 25, 2011 at 7:17pm.

- calculus -
**Reiny**, Friday, March 25, 2011 at 7:58pmuse the product rule

f'(s) = x^2(-sinx/cosx) + 2x(cosx)

= -x^2(tanx) + 2x(cosx)

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