If the angle between the vectors and be and

MATHEMATICS · Single correct · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

If the angle between the vectors

\mathbf{a}

and

\mathbf{b}

\theta

and

\mathbf{a} \cdot \mathbf{b} = \cos \theta

, then the true statement is (1)

\mathbf{a}

and

\mathbf{b}

are equal vectors (2)

\mathbf{a}

and

\mathbf{b}

are like vectors (3)

\mathbf{a}

and

\mathbf{b}

are unlike vectors (4)

\mathbf{a}

and

\mathbf{b}

are unit vectors