Calculate the gradient vector ∇g\nabla g∇g of the function g(x,y)=y2sin(x)g(x, y) = y^2 \sin(x)g(x,y)=y2sin(x) at the point (π/2,3)(\pi/2, 3)(π/2,3).
⟨0,6⟩\langle 0, 6 \rangle⟨0,6⟩
⟨9,6⟩\langle 9, 6 \rangle⟨9,6⟩
⟨0,3⟩\langle 0, 3 \rangle⟨0,3⟩
⟨9,0⟩\langle 9, 0 \rangle⟨9,0⟩