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Cos2x-cos12x=5 giải phương trình
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Cos2x-cos12x=5 giải phương trình

User Fatih
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1 Answer

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Explanation:

Giải phương trình: 6sin^2(3x) + cos12x - 14 = 0 - Giải phương trình: ... 4sin^2 (x)-cos2x=2 giải pt ... 0 1 2 3 4 5 6 7 8 9 10.

User Ztl
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