Given the vector u counterclockwise 0= 3ỉ – 1j, find the magnitude and angle in which the vector points (measured from the positive x-axis, 0 ≤ 0 < 2π) = -

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A: by using cos law cos(A)=b2+c2-a22bccos(C)=a2+b2-c22ab A+B+C=180

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A: according to bartleby guide line we do only first part of multiple questions formula used is…

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