Irrlicht Engine

I am trying to make a method that calculates if a point isin a triangle in 3d

I DONT WANT to use any trig functions

may be sin or cos but not acos or atan etc...

here is a method in 2d
http://mcraefamily.com/MathHelp/Geometr ... angle3.htm

I know this is a noobish question but how can i do it in 3d?

I am very sorry

i found it
plz delete
http://www.blackpawn.com/texts/pointinpoly/default.html

Might as well leave it, for others to reference to.

I think you could have deleted your post since there was no reply to it.

Edit: Just tried and yes you can...or could have...