Trefoil knot

	Code used to generate this plot:

with(plots):
tubeplot([(1+0.3*cos(3*t))*cos(2*t),(1+0.3*cos(3*t))*sin(2*t),(1+0.3*cos(3*t))*.35*sin(3*t)],t=0..2*Pi,radius=0.25,numpoints=80,style=patch);

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E - Mail:   ijmcgee@undergrad.math.uwaterloo.ca