bha wrote:Another approach:
op=oq=2
OP forms angle 30from left side with x axis 1:sqroot3:2..hence OQ forms 60(180-90-30) with x axis...hence s= 1 and t=sqroot3

So sorry... the site kept thinking my < and > signs were HTML brackets. It took me about 10 tries to figure out I had to disable HTML. Here is it posted correctly. (I'm sorry if this spammed anyone with an RSS reader!) I also clarified some parts further. Here's problem 1 again: Starting by cross m...