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Forces with magnitudes of 800 pounds and 400 pounds act on a machine part at angles...

Forces with magnitudes of 800 pounds and 400 pounds act on a machine part at angles 30° and −45°, respectively, with the x-axis (see figure). Find the direction and magnitude of the resultant force F. (Round your answers to two decimal places.)

θ = ° referenced to the horizontal positive x-axis
||F|| = lb
Math   Precalculus   
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