question_answer

\[\mathbf{Tan5}{}^\circ \mathbf{x}\text{ }\mathbf{tan25}{}^\circ \mathbf{x}\text{ }\mathbf{tan30}{}^\circ \mathbf{x}\text{ }\mathbf{tan65}{}^\circ \mathbf{x}\text{ }\mathbf{tan85}{}^\circ \]=?

A) \[\sqrt{3}\]                    

B) \[1\]

C) \[\frac{1}{\sqrt{3}}\]                 

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

E) None of these