Many thanks, I had your step one and two but it was after making it more complicated than it needed to be and going off in wrong directions.
thanks again.
I solved this many years ago, but after revisiting Trig in order to tutor my daughter, I revisited this to stimulate myself but am hitting a brick wall.
Problem:
A 4 inch square sits in a corner(picture x,y origin). A 12 inch ruler or line leans against the wall at an angle such that there are...