Use the functions below to (a) express ∂z/∂u and ∂z/∂v as functions of u and v both by using the Chain Rule and by expressing z directly in terms of u and v before differentiating. Then (b) evaluate ∂z/∂u and ∂z/∂v at the given point (u,v).
z = 5tan^-1(x/y), x = ucosv, y= using, (u,v) = (7.3,π/6)
Express ∂z/∂u and ∂z/∂v as functions of x and y.