Hint
Hint
Recall that the dot product of two vectors \(\vec{u}\) and \(\vec{v}\) is given by \(\vec{u} \cdot \vec{v} = |\vec{u}|\,|\vec{v}|\cos(\theta)\).
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Answer
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- Formula Booklet
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Answer
Complete Answer
\(\theta = \cos^{-1}\left(\frac{1}{\sqrt{3}}\right)\)
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Mark Scheme
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Answer Explanation
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Common Errors
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Focus