Jawabanmu

2014-06-08T19:19:01+07:00
Sin45'Cos15' + Cos45'Sin15' = Sin(45'+15') = Sin 60' = 1/2 √3
2014-06-08T20:10:15+07:00
sin45'Cos15' + Cos45'Sin15' = Sin(45'+15') = Sin 60' = 1/2 √3