%%Problem 2%%
ID=43
a1=-(90-(10+43))
a2=(65+43)-90
a3=(145+43)-90
a4=-(90+75+43)
F=[250 400 300 400]
A=[a1 a2 a3 a4]
fx=F.*cosd(A)
fy=F.*sind(A)
P=sum(fx)
Q=sum(fy)
R=sqrt(P^2+Q^2)
O=atand(Q/P)

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