question_answer

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

A) \[{{5}^{o}}\]              

B) \[{{10}^{o}}\]

C) \[{{15}^{o}}\]            

D) \[{{25}^{o}}\]

E) None of these