Edited by NguyenDucChinh1912, 13-01-2017 - 22:10.
Giải phương trình: (sin3x + 4sin2x cos3x)^2 = 11cos3x ^2
Started By NguyenDucChinh1912, 13-01-2017 - 22:08
#1
Posted 13-01-2017 - 22:08
Giải phương trình: (sin3x + 4sin2x cos3x)^2 = 11cos3x ^2
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