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

question 9

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.
$$\mathbf { u } = \langle - 3,6,3 \rangle , \mathbf { v } = \langle 9,9,9 \rangle$$

• A) \(25.2 ^ { \circ }\)
• B) \(28.1 ^ { \circ }\)
• C) \(64.8 ^ { \circ }\)
• D) \(90 ^ { \circ }\)
• E) \(61.9 ^ { \circ }\)

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