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2015-04-26 23:35:43 +0100 answered a question integral(abs(cos(x)),(x,0,pi))

thanks

Both of your suggestions work!!!

2015-04-26 19:06:05 +0100 asked a question integral(abs(cos(x)),(x,0,pi))

this is for sure 2, however it evaluates to -1 !!! Is there anything wrong with the statement itself? Any suggestion?