hp dari 2 sin (2x-45)=√2 untuk 0

2.Sin (2x-45) = √2
Sin (2x-45) = ½√2
Sin (2x-45) = Sin 45°

• 2x-45° = 45°+k.360°
...2x = 90°+k.360°
......x = 45°+k.180°
x1 = {45°,225°}

• 2x-45° = (180°-45°)+k.360°
...2x-45° = 135°+k.360°
...2x = 180°+k.360°
......x = 90°+k.180°
x2 = {90°,270°}
maka, Hp = {45°,90°,225°,270°}