2 sin x = 1 , phi <=x<= 3phi
Matematika
Nurulfitriyd0112
Pertanyaan
2 sin x = 1 , phi <=x<= 3phi
1 Jawaban
-
1. Jawaban Anonyme
π ≤ x ≤ 3π
180° ≤ x ≤ 540°
2 sin x = 1
• sin x = 1/2
sin x = sin (360° + 30°)
x= 390°
• sin x = 1/2
sin x = sin (360° + 150°)
x = 510°