If z(x,y) = 2Sin(x)+Cos(y)Sin(x) find d2z(xy)⁄dxdy= ?

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answerhappygod
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If z(x,y) = 2Sin(x)+Cos(y)Sin(x) find d2z(xy)⁄dxdy= ?

Post by answerhappygod »

a) –Cos(y)Cos(x)
b) -Sin(y)Sin(x)
c) –Sin(y)Cos(x)
d) -Cos(y)Sin(x)
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