The answers are correct for the magnitude and resultant force, but what I want to know is how do I use the law of sine to solve theta and beta in order to calculate for the resultant force of an obtuse angle.

2.1 Determine the magnitude of the resultant force and its direction, measure CCW from positive x axis G 3 60. F & SON F :4SON 150 700 N 60. IS. 43 . : 2 . F2 - 2F F Los (B) Son 45 SON (13 0 6) R 457.01 430 8 700 2 - 430 2 - 2(450)(700) 605(45) (457. 01) Son (15 . 6 ) : 450 Seals 8 4197. OIN 66% from positive 457.01 6 8 24.80 " : 180 . 24.81