If $s(x)=\sin (2 x)+\sin (x)$ , Then $s(x)$ Can Also Be Written in the Form

Short Answer

If $s(x)=\sin (2 x)+\sin (x)$ , then $s(x)$ can also be written in the form
$s(x)=$ --------- $\sin ($ ---------- $x)(\cos$ ---------- $x)$ .