question_answer

If \[x\cos 60{}^\circ .\sin 30{}^\circ =\tan 30{}^\circ .\cot 60{}^\circ \] then the value of x is ________.

A)  \[\frac{1}{2}\]                         

B)  \[\frac{1}{4}\]

C)  \[\frac{4}{3}\]    

D)  2

E)  None of these