Présentation de 1075.jps

25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -5 5 setyrange [1 1 .5 .5 .1 .1] {orange} Quadrillage 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# Ln(Sin(t/2)/Cos(t/2)+Cos(t)) } def /Y {settvar #rpn# Sin(t) } def 10 neg 10 {X} {Y} Courbeparam