fernandoramirez3100 fernandoramirez3100 07-03-2024 Mathematics contestada Use the chain rule to find the indicated partial derivatives. w = xy + yz + zx, x = rcos(θ) , y = rsin(θ) , z = rθ (∂w) /(∂r) , (∂w) /(∂θ) when r=4, θ=(π/2) (∂w) /(∂r)