Question: Determine whether the two vectors are orthogonal and, if not, whether the angle between them is acute or obtuse. (1, 1,1), (1, -2,-2)

Determine whether the two vectors are orthogonal and, if not, whether the angle between them is acute or obtuse.

(1, 1, 1), (1,-2,-2)

(1, 1,1), (1, -2,-2)

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