yer werd "cos" make it sound like yu talk bout kosine, but its Tangent
tangent(angel)=farside/neer side
All based on a rite triangel & yu talk bout 1 av the 2 smaller angels
with fansee kalkulater, yu kan get invers tangent(0.7403)=36.51 deg
Me ges yu gotta get protrakter & draw a triangel, gage the side lengths
& then divide far side bi neer side. Wont be very akkurut