sage: y,z,t=var('y,z,t')
sage: x=t
sage: y=t*sin(t)
sage: z=exp(t/10)-1
sage: parametric_plot3d((t,t*sin(t),exp(t/10)-1),(t,0,6*pi))

Pratap-Page no.199,Ex.no.2) (last edited 2010-12-18 06:27:09 by V.junghare)