(Answered) Vector a has a magnitude of 800 units and makes an angle 45

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Vector A has a magnitude of 8.00 units and makes an angle 45 degrees with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods, find (a) the vector sum A+B and (b) the vector difference A-B.

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