Forces A and B act on a bolt such that A makes an angle with the x-axis and B makes an angle with

Forces A and B act on a bolt such that A makes an angle θ with the x-axis and B makes an angle θ with the y-axis as shown in Fig. 20.51. The resultant R has components R_x = Acosθ − Bsinθ and R_y = Asinθ + Bcos θ. Using these components, show that

R = A+ B.