Answer:
As \[\overset{\to }{\mathop{A}}\,.\overset{\to
}{\mathop{B}}\,=|\overset{\to }{\mathop{A}}\,\times \overset{\to
}{\mathop{B}}\,|\], therefore, \[AB\,\cos \theta =AB\sin \theta \]or \[\tan
\theta =1\]or\[\theta =\pi /4\]
You need to login to perform this action.
You will be redirected in
3 sec