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September 15, 2014

September 15, 2014

Posted by **Cynthia** on Saturday, August 4, 2012 at 9:36pm.

(Integral) cos^2 5x dx

A. (Integral) 1+cos10x/2 dx

B. (Integral) 1-cos10x/2 dx

C. (Integral) 1+cos10x/20 dx

D. (Integral) 1-cos10x/20 dx

- Calculus -
**Steve**, Sunday, August 5, 2012 at 6:35amI'd say A, since cos10x = 2cos^2 5x - 1

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