> plot3d(1,t=0..2*Pi,p=0..Pi,coords=spherical,scaling=constrained);

> plot3d(sin(p),t=0..2*Pi,p=0..Pi,coords=spherical,scaling=constrained);

> plot3d(1-cos(p),t=0..2*Pi,p=0..Pi,coords=spherical,scaling=constrained);

> plot3d(1-2*cos(p),t=0..2*Pi,p=0..Pi,coords=spherical,scaling=constrained);

> plot3d(sin(t)*cos(p)-sin(p)*cos(t),t=0..2*Pi,p=0..Pi,coords=spherical,scaling=constrained);

>