Vector A makes an angle of 31.7° above the positive x-axis, and vector B makes an angle of 45.0° below the negative x-axis. A = 2.97 units, and B = 1.80 units. Find A + B and A – B.

Vector A makes an angle of 31.7° above the positive x-axis, and vector B makes an angle of 45.0° below the negative x-axis. A = 2.97 units, and B = 1.80 units. Find A + B and A – B.

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