Jawabanmu

2014-03-03T20:21:22+07:00
Dik:  Tan  = 12/9
Dit: 1/sin  =...........?
Jawab: Depan = 4 , samping = 3 , miring = 5 ( didapat dri pytagooras )
     1/sin = 1/(4/5) = 5/4  ....

kalo kurang  jelas ,, tanya aja gan ..