Find the Angle Between the Vectors $\mathbf { u }$ And $\mathbf { v }$

question 19

Multiple Choice

Find the angle between the vectors $\mathbf { u }$ and $\mathbf { v }$ . Express your answer in degrees and round to the nearest tenth of a degree.
$$\mathbf { u } = - 6 \mathbf { i } + 9 \mathbf { j } + 2 \mathbf { k } , \mathbf { v } = - 3 \mathbf { i } - 7 \mathbf { j } - 4 \mathbf { k }$$

• A) \(29.3 ^ { \circ }\)
• B) \(34.1 ^ { \circ }\)
• C) \(60.7 ^ { \circ }\)
• D) \(90 ^ { \circ }\)
• E) \(124.1 ^ { \circ }\)

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