Jawabanmu

2014-05-21T11:41:39+07:00
Tan a =  \frac{5}{ \sqrt{11} }  \frac{o}{a}

h =  \sqrt{ 5^{2} + 11 }  =  \sqrt{36}  = 6

sin a =  \frac{o}{h} =  \frac{5}{6}