3D Grapher Coordinates: Spherical a(u,v,t) = sin(u)+sin(v)+vb(u,v,t) = 3*v+uR(u,v,t) = sin(u)Domain of variables Min U : -3 Max U : 10 Steps : 35 Min V : -3 Max V : 10 Steps : 35 x=1 y=1 z=1