sage: x
x
sage: t=var('t')
sage: f = function('f',t)
sage: f
f(t)
sage: f(t)=t *sin(t)
sage: plot(x*sin(x),(0,10*pi))
<html><font color='black'><img src='cell://sage0.png'></font></html>

Pratap-Page no.184,Ex.no.1) (last edited 2010-12-18 05:38:47 by V.junghare)