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Conditions for Parallel and Perpendicular of Vectors
Lesson 10 · Theorems
Conditions for Parallel and Perpendicular of Vectors
Optional Mathematics
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8 min
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Question 1 of 16
1
If θ is the angle between \( \vec{a} \) and \( \vec{b} \), which expression is \( \vec{a}\cdot\vec{b} \)?
\( |\vec{a}||\vec{b}|\sin\theta \)
\( |\vec{a}||\vec{b}|\cos\theta \)
\( |\vec{a}| + |\vec{b}|\cos\theta \)
\( |\vec{a}||\vec{b}|\tan\theta \)