Plot3D(func, x_range, y_range,[parameters], ...)
Plot3D(sin(x**2+y**2),(x,-5,5),(y,-5,5))
Plot3D(2cos(x)*sin(y),(x,-2π,2π),(y,-2π,2π))
Plot3D(cos(x)*y+sin(y)*x,(x,-2π,2π),(y,-2π,2π),color="red")