6 cos 2x -17 cos x + 12 = 0
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Pertanyaan
6 cos 2x -17 cos x + 12 = 0
1 Jawaban
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1. Jawaban j4m3shozlfu9
[tex]x=\arccos( \frac{3}{4})\qquad atau \quad x=\arccos( \frac{2}{3}) [/tex]