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Integral Calculus

Hot goIITian

 Joined: 27 Jun 2007 Post: 103
4 Jul 2007 16:48:14 IST
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3
553
integration urgent pls
Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Integral Calculus

[ 0][ pi] costheta d theta

Scorching goIITian

Joined: 14 Apr 2007
Posts: 222
4 Jul 2007 17:06:49 IST
1 people liked this

its a long but general method,

cos2=2cos2-1

cos2=(cos2+1)/2

as cos2=sin2/2

[ 0][pi ] (cos2+1)/2=[(sin2/2)+]/2 from 0 to pi
.         .
=/2.

Forum Expert
Joined: 19 Oct 2006
Posts: 1966
4 Jul 2007 17:11:56 IST
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hey

I think the answer is alerady there .. it was a simple enuf question ..

cheers

Forum Expert
Joined: 11 Jun 2007
Posts: 1048
4 Jul 2007 17:41:49 IST
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You have given the same question 2 times .

I thought your question was integration of Cos^2theta in limits 0 to

2pi. Check the answer in the other mail.

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