question_answer

Find the value of \[x\]in \[\tan \,~3x=\sin {{45}^{o}}\times \cos {{45}^{o}}+\sin {{30}^{o}}\]

A) \[{{15}^{o}}\]            

B) \[{{51}^{o}}\]

C) \[{{25}^{o}}\]            

D) \[{{21}^{o}}\]

E) None of these