Présentation de 4406.jps

/syracuse/bbgraf/tmp/4406.jpg
25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -5 5 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# cos(t) } def /Y {settvar #rpn# sin(t)*cos(t), } def 0 pi {X} {Y} Courbeparam