I need the answers
Fx = 453 cos 8 + 400 cos 35
Fy = 453 sin 6 + 400 sin 35
|F| = sqrt ( Fx^2 + Fy^2)
tan theta = Fy/Fx where theta is angle above x axis
|A| = |F| / 3805
same angle above x axis = theta
looks like you have all the numbers.
get out your calculator, and we can check your results.