sage: y,z,t=var('y,z,t')
sage: x(t)=t
sage: y(t)=t**2
sage: z(t)=t**3
sage: parametric_plot3d((x(t),y(t),z(t)),(t,0,1))

Pratap-Pg.no.196,Ex.no.1)paramatric (last edited 2010-12-17 18:51:52 by 10)