Question: POSTIVE AND NEGATIVE ANGLES ARE INCORRECT. PLEASE HELP. If the projection P a and component F b of the force F along oblique axes a

POSTIVE AND NEGATIVE ANGLES ARE INCORRECT. PLEASE HELP. If the projection Pa and component Fb of the force F along oblique axes a and b are both 210 N , determine the magnitude F and the orientation of the b-axis.
Answers:
F=
There are two correct answers for the angle - one positive and one negative.
The positive angle =
The negative angle =
POSTIVE AND NEGATIVE ANGLES ARE INCORRECT. PLEASE

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