1.

If \[\overrightarrow{A}=3\mathbf{i}+\mathbf{j}+2\mathbf{k}\] and \[\overrightarrow{B}=2\mathbf{i}-2\mathbf{j}+4\mathbf{k}\] and q is the angle between \[\overrightarrow{A}\] and \[\overrightarrow{B},\] then the value of \[\sin \theta \] is

A. \[\frac{2}{\sqrt{7}}\]
B. \[\sqrt{\frac{2}{7}}\]
C. \[\frac{4}{\sqrt{7}}\]
D. \[\frac{3}{\sqrt{7}}\]
Answer» B. \[\sqrt{\frac{2}{7}}\]


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