sin x -1/2=0;0°

Bab Trigonometri
Matematika SMA Kelas X

sin x - 1/2 = 0
sin x = 1/2
x = 30° dan 150°

HP = {30°, 150°}

sin x - 1/2 = 0.....0° < x < 360°

sin x - 1/2 = 0
sin x = 1/2

KUADRAN I
sin x = 1/2
x = 30°

KUADRAN II
sin x = 1/2
x = 150°

Jadi HPnya adalah {30° , 150°}