himpunan penyelesaian dari Sin ( 2x-30°)=½√3

sin(2x - 30°) = sin60°
2x - 30 = 60
2x = 60+30
2x = 90
x = 90/2
x = 45°


sin(2x - 30) = sin120°
2x - 30 = 120
2x = 120 + 30
2x = 150
x = 150/2
x = 75°

HP = {45° , 75°}