question_answer

If \[\mathbf{tan }\theta \mathbf{=}{{\sqrt{\mathbf{3}}}^{{}}}\]then find the value of\[\mathbf{si}{{\mathbf{n}}^{\mathbf{2}}}\theta \mathbf{-co}{{\mathbf{s}}^{\mathbf{2}}}\theta \], where \[\theta \] is acute angle.

A)  \[\frac{1}{2}\]          

B)  \[\frac{-1}{3}\]         

C)  \[\frac{-1}{2}\]                                                            

D)  \[\frac{1}{4}\]

E)  None of these