Fri 7 Oct, 2011 07:07 am - Thank you fresco
I was struggling with d=l sin a sinb/ sin [a+b] .where a and b are the angles at
A and B. That came from Wicki. Triangulation and seems needlessly complex even if it works... (view)
Thu 6 Oct, 2011 09:37 am - in arriving at the forumla for "distance to a point by measuring 2 fixed angles " I get stuck about half way through the proof .Can you go through it in easy steps please.
David James (view)