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Let A, B and C are three vectors defined by A= (10 m, 30º), B= (20...

Let A, B and C are three vectors defined by A= (10 m, 30º), B= (20 m, 200º) and C= (30 m, 100º).

Calculate A + B and A + B + C.
Write your answer as a magnitude and direction, and in terms of the unit vectors. Make a diagram of the resultant vectors.

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