Question: If u is a unit vector, find u * v and u * w . Hint: u * v means the angle between u and

If u is a unit vector, find u*v and u*w. Hint: u*v means the angle between u and v. What is the angle between u and w then? Refer HW 12.3#5.
If u is a unit vector, find u * v and u * w .

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