If FB = 550 N and FC = 750 N , determine the magnitude and coordinate direction angles of the resultant force acting on the flag pole. Determine coordinate direction angle α of the resultant force acting on the flag pole. Determine coordinate direction angle β of the resultant force acting on the flag pole. Determine coordinate direction angle γ of the resultant force acting on the flag pole.

Question

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Answer 1

You have all the points involved. The vector from (0,0,z) to (x,y,0) is just
<x,y,-z>. The angle from the x-y plane to the point on the pole is
tanθ = z/√(x^2+y^2)