" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Verified answer
Bab TrigonometriMatematika SMA Kelas X
tan (2x + 45°) = -1
2x + 45° = 135°
2x = 135° - 45°
x = 90°/2
x = 45°
2x + 45° 315°
2x = 315° - 45°
x = 270° / 2
x = 135°
2x + 45° = 135° + 2 x 180°
2x = 495° - 45°
x = 450° / 2
x = 225°
2x + 45° = 135° + 3 x 180°
2x = 675° - 45°
x = 630°/2
x = 315°
HP = { 45°, 135°, 225°, 315°, 0 < x < 360° }