Jawabanmu

2014-02-21T12:37:13+07:00
Cos = 0.5. dan tan = sin/cos =v3/2. : 1/2 =v3
2014-02-21T18:08:57+07:00
-sin : akar3/2 artinya = depan : akar3 miring : 2 samping^2=2^2-akar3^2 samping^2=4-3 samping^2=1 samping=akar 1 samping=1 -cos = 1/2 -tan=akar3/2