\(\text{ If }\vec{a}\text{ and }\vec{b}\text{ are two unit vectors, then }\vec{a}\cdot \vec{b}=...........\)
Q1 FREE PREVIEW
\(\text{ If }\vec{a}\text{ and }\vec{b}\text{ are two unit vectors, then }\vec{a}\cdot \vec{b}=...........\)
✓ Correct answer: a)
\(\cos \left(\theta \right)\)
Explanation
|a|=1 , |b|=1 because they are the unit vectors.
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