cari nilai x nya 2 cos 2x = √3
Matematika
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cari nilai x nya 2 cos 2x = √3
1 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
2 cos 2x = √3
cos 2x = (1/2) √3
2x = 30°
x = 15°
2x = 330°
x = 165°
HP = { 15°, 165° }