[tex] \sin(30) = \dfrac{y}{12} [/tex]
[tex]y = 12 \sin(30) [/tex]
[tex]y = 12( \frac{1}{2} )[/tex]
[tex]y = 6[/tex]
[tex]\sin(30)=\frac{C.O}{H}\\\\\frac{1}{2}=\frac{y}{12}\\\\y=6[/tex]
