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Author Comment/Response
Nasser M. Abbasi
12/02/12 1:15pm

I asked some folks on this at a different Mathematica forum (stackexchange) who know more about this than me.

Mathematica result is correct. Apparently the results are equivalent. Since this is an indefinite integral, there is a constant additive constant which makes the 2 results equivalent mathematically.

mathematicaAnswer = Integrate[Cos[x]/Sin[x]^3, x];
possibleCorrectAnswer = -1/(2 Sin[x]^2);
Simplify[mathematicaAnswer - possibleCorrectAnswer]

which give 1/2.

also see

Plot[mathematicaAnswer - possibleCorrectAnswer, {x, -Pi, Pi}]

so, not a bug. But I agree, the form given is kind'a strange but not wrong.




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Subject (listing for 'A "strange" integral result')
Author Date Posted
A "strange" integral result Xuan Tran 12/01/12 2:52pm
Re: A Cathal 12/02/12 01:54am
Re: A Nasser M. Ab... 12/02/12 03:37am
Re: A Nasser M. Ab... 12/02/12 1:15pm
Re: A Foo 12/02/12 1:18pm
Re: the strange result William Stew... 12/02/12 4:16pm
Re: "A "strange" integral result" James Creswell 12/02/12 10:55pm
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