Présentation de 1677.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 .75 setlinewidth continu bleu /X {settvar #rpn# log(tan(t/2+pi/4))-sin(t) } def /Y {settvar #rpn# cos(t) } def 10 neg 10 {X} {Y} Courbeparam