Source
-1.5 1.5 setxrange
-.5 3.5 setyrange

100 setxunit

/f {
   Arccos
} def

[1 1 .5 .5 .1 .1] {orange} Quadrillage
.7 setlinewidth
tracerepere
marks


<tex>
$$
   y = \arccos x
$$
</tex>

/dx_boxit 3 def
/dy_boxit 3 def
/linearc .05 def
/fillstyle {jaune fill} def
boxit
.75 2.75 [2 dup] cctexlabel

1.5 setlinewidth
gsave
   bleu
   -1 1 {f} Courbe
grestore

setTimesItalic
   (O) O drtext