Présentation de 1074.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#   Cos(2*t)
} def
/Y {settvar
#rpn#   Sin(2*t)-Sin(t)
} def
 10 neg 10  {X} {Y} Courbeparam