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	Các bình luận về: Cho phương trình \(2{\log _3}\left( {\cot x} \right) = {\log _2}\left( {\cos x} \right)\). Phương trình có bao nhiêu nghiệm trên khoảng \(\left( {0{\rm{ }};{\rm{ }}2020\pi } \right)\)	</title>
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