86.216.52.126 18:11:50 http://www.gecif.net/articles/mathematiques/trigonometrie/
86.216.52.126 19:38:03 http://www.gecif.net/articles/mathematiques/integrales.html
86.216.52.126 19:38:30 http://fractale.gecif.net/scripts/moteur.pl?q=_( cos ( x ) / sin ( x ) - ( 1 / x ) )