> I'd stick to using Heron's rule -- there is no reason why it > shouldn't work given correct inputs, and it is less expensive > computationally.
Without doing the maths, I suspect that eliminating the sin/cos from the two formulas will probably produce Heron's formula in any case. Danny _______________________________________________ Flashcoders@chattyfig.figleaf.com To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
