curves.html

plot(cos(x), x = -Pi .. 3*Pi); 1

Plot

plot(sin(x), x = -Pi .. 3*Pi); 1

Plot

plot([(1+2*cos(t))*cos(t), (1+2*cos(t))*sin(t), t = 0 .. 2*Pi]); 1

Plot

plot([cos(t), sin(t), t = 0 .. 2*Pi]); 1

Plot