Hp dari Sin 2x derajat = 1/2 akar 2

Bab Trigonometri
Matematika SMA Kelas X

sin 2x = 1/2 √2
2x = 45°
x = 45°/2
x = 22,5°

2x = 135°
x = 135° / 2
x = 67,5°

2x = 45° + 1 x 360°
x = 405° / 2
x = 202,5°

2x = 135° + 1 x 360°
x = 495°/2
x = 247,5°

HP = { 22,5°, 67,5°, 202,5°, 247,5°, 0 < x < 360° }