sin(3x)-√2.cos(3x)=2sin(2x)

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sin(3x)-√2.cos(3x)=2sin(2x)

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Dulcie 12 months 2020-11-29T02:20:36+00:00 0 Answers 11 views 0

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )