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Let vectors Ā = (2,1,-4), B = (-3,0,1), and C = (-1,-1,2).

Calculate the following:
Vector Ā * Vector B = _______
What is the angle Ɵ AB between vector Ā and vector B?
2 Vector B * 3 Vector C = _________

1 Answer

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Vector Ā * Vector B = -10. This is the scalar dot product and can calculated by taking the magnitude in the x, y, and z of the two vectors and the operation is done.
The angle Ɵ AB between vector Ā and vector B is 133.635°.
2 Vector B * 3 Vector C = -1. A similar approach is done for this one.
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