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Giải phương trình: (sin3x + 4sin2x cos3x)^2 = 11cos3x ^2

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NguyenDucChinh1912

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Giải phương trình: (sin3x + 4sin2x cos3x)^2 = 11cos3x ^2

Edited by NguyenDucChinh1912, 13-01-2017 - 22:10.





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