%%Problrm 1%%
ID=43
a1=10
a2=95
a3=50
F=[475 650 380]
A=[(a1+ID) (a2+ID) -(a3+ID)]
fx=F.*cosd(A)
fy=F.*sind(A)
P=sum(fx)
Q=sum(fy)
R=sqrt(P^2+Q^2)
O=atand(Q/P)