Programming Challenge: a classic trigonometry problem

[Gerson W. Barbosa]

(01-07-2014 06:03 AM)Thomas Klemm Wrote:  Wikipedia provides yet another solution: Crossed ladders problem

Yet another one:

'(15+d)/√((15+d)^2-225)=30/(√((20-4/3*d)^2-225)+√((15+d)^2-225))'

d: 2.72704740626

'E=5-4/3*d'

E: 1.36393679166

'x=√((15+E)^2-225)+√((15+d)^2-225)'

x: 15.9876490088

http://farm3.staticflickr.com/2860/11828...6eef_o.jpg

Not any more simple, but I just wanted to do it another way. Still using the solver, though.

Cheers,

Gerson.