Use the divergence theorem to calculate the surface integral Th F⚫ds; that is, calculate the flux of F across S. F(x, y z) = e tan(z)i + x²yj +ex cos(y) k, S is the surface of the solid that lies above the xy-plane and below the surface z = 8-x-y³, -1 ≤ x ≤ 1,-1 ≤ y ≤ 1

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Q: Evaluate the following indefinite integral ∫18sinx/9cosx-cos^3x * dx

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Q: Show working please

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Q: I need help with question 4.

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