2 sin kuadrat x - sin x -1 = 0
Matematika
sitaamilatuzzahro06
Pertanyaan
2 sin kuadrat x - sin x -1 = 0
1 Jawaban
-
1. Jawaban nadiness
(2sin x + 1) (sin x-1) =0
●2 sin x = -1
sin x = -1/2
x = {210, 330}
● sin x = 1
x = {90}
jd x = [90, 210, 330)