sin1/2π.sin1/3π.sin1/6π =.... a. 1 b. 1/2√3 c. 1/2√2 d. 1/4√3 e. 1/4√2

Karena π=180
Jadi
Sin(1/2π)=sin(1/2.180)=sin90=1
Sin(1/3π)=sin(1/3.180)=sin60=1/2√3
Sin(1/6π)=sin(1/6.180)=sin30=1/2
Jadi
1 x 1/2√3 x 1/2 = 1/4√3
Bagian D.1/4√3

Maaf jika keliru.☺☺