Jawabanmu

2014-04-26T10:25:43+07:00
Tan 45 × sin 45 + cos 30 × sin 30 ÷ tan 45 = 1/4√3+2√2
2014-04-26T12:03:16+07:00
1.√2/2+1/2√3.1/2:1=√2/2+1/4√3