Présentation de 2634.jps

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 /R {settvar #rpn# 1/Cos(3*t) } def 0 pi 2 div settrange gsave .75 setlinewidth continu bleu (R) courbepolar grestore