50 setxunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-5 5 setyrange
.5 .5 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn# Cos ( 6*t) * Sin (t) *5
} def
/Y {settvar
#rpn# Sin (3*t) * Sin(10*t)*5
} def
0 2 pi mul {X} {Y} Courbeparam
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