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#1 2007-10-23 08:57:32

xXxEmZyxXx
Member
Registered: 2007-10-15
Posts: 12

integration

does anyone know if this is the correct method of integration??
integrate sin(Pi*x)

i got as a result (-cos(Pi*x))/(Pi)

anyone know if this is right/wrong???
Pi= 3.141592654

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#2 2007-10-23 09:43:05

mathsyperson
Moderator
Registered: 2005-06-22
Posts: 4,900

Re: integration

That answer is correct.
An easy way to check is to differentiate the answer and see if you get the original expression.


Why did the vector cross the road?
It wanted to be normal.

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