Hi, I am working on a great (and heavy) paper that relate to trigo, geometry, and algebra, and I got the following equation:
https://drive.google.com/file/d/0B3tqR_7v7tg1Qkg3Wm5GbXJieTA/view
It is an equation with 4 unknowns, and I do not need to solve it, I just need to know if it a false or...