plot3d_parametric_surface(
    u * cos(v), u * sin(v), u * cos(4 * v) / 2,
    (u, 0, pi), (v, 0, 2*pi),
    use_cm=False, title="Sinusoidal Cone")
# Expected:
## Plot object containing:
## [0]: parametric cartesian surface: (u*cos(v), u*sin(v), u*cos(4*v)/2) for u over (0.0, 3.141592653589793) and v over (0.0, 6.283185307179586)