# Green's Theorem to evaluate an integral

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• November 30th 2009, 08:42 PM
VampireCullen
Green's Theorem to evaluate an integral
integral c of Pdx+Qdy, where P(x,y)=2x^2 siny Q(x,y)=3y^2sinx
and C is a triangle with vertices (0,0) (4,0) (4,4).
• November 30th 2009, 09:40 PM
Bruno J.
Do you know Green's Theorem?

You need to parametrize the sides of the triangle and integrate $Pdx+Qdy$ counter-clockwise along its sides.