Q. A is N55*000*E/W and B is N54*E010*. The Average true GC is 100*. The true course of Rhumb line at point A is ?
Convergency = d long X sin mean lat = 10 x Sin {(55+54)/2} = 10 x Sin 54.5 = 8
C angle = 8/2 = 4
Average true GC = 100
At point A : RL = GC + CA = 100 + 4 = 104