-1.5 1.5 setxrange
-2 2 setyrange

100 setxunit
18 setfontsize

/f {
   Arcsin
} def
/f' {setxvar
#rpn# 1 / sqrt (1-x^2)
} def

[1 1 .5 .5 .1 .1] {orange} Quadrillage

/dotscale {0 0} def
-1 dup f dashpoint
1 pi 2 div dashpoint
.7 setlinewidth
/unites {} def
tracerepere
xmarks
[pi 2 div pi -2 div ] {ytick} apply

#tex# ${\pi \over 2}$
0 pi 2 div [1.5 dup] crtexlabel
#tex# $-{\pi \over 2}$
0 pi -2 div [1.5 dup] crtexlabel

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

/dx_boxit 3 def
/dy_boxit 3 def
/linearc .05 def
/fillstyle {jaune fill} def
boxit
-.75 1.25 [2 dup] cctexlabel

1.5 setlinewidth
gsave
   bleu
   -1 .999 {f} Courbe
grestore

2 settailletangente
0 (f) tangente
-1 {f} tangente+
.99999 {f} tangente-

setTimesItalic
   (O) O drtext