Double Integral of (x-y)^2 (sin(x+y))^2 over a Square

Noble Knight
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Homework Statement



Evaluate double integral (x-y)^2 (sin (x+y))^2 dxdy taken over a square with successive vertices (pi,0), (2pi,pi), (pi,2pi), (0,pi)

Thank you.
 
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Thread 'Finding the nth roots of a complex number'

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