Jawabanmu

2014-06-09T11:02:14+07:00
Sin30 + cos45 = 1/2 + 1/2.akar2 = (1+akar2)/2
2014-06-09T11:04:47+07:00
Akar 2 + 1/2 akar 2 = 1/2 (1+akar 2)