Tentukan nilai x Sin x = -1/2 akar 3
Jawaban:
sin x = -1/2√3
sin x = sin -60°
x = -60 + k. 360°
k = 0 x = -60 (TM)
k = 1 x = 300
x = (180 – (-60)) + k. 360
x = 240 + k. 360
k = 0 x = 240
k = 1 x = 600 (TM)
0 ≤ x ≤ 360 hp { 240, 300}
semoga bermanfaat