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December 21, 2014

December 21, 2014

Posted by **Anonymous** on Sunday, February 17, 2013 at 4:18am.

with limits from 0 to pi/4

- maths-urgently needed -
**Reiny**, Sunday, February 17, 2013 at 8:35amWolfram gives us this

http://integrals.wolfram.com/index.jsp?expr=%28+x%5E2cosx%29%2F%281%2Bsinx%29%5E2&random=false

I have no clue how they got that.

- maths-urgently needed -
**Anonymous**, Sunday, February 17, 2013 at 9:07ambut i want step by step

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