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Câu 3:

Hàm số $y = \sin 3x.\cos x$

Câu 3: Hàm số y=sin⁡3x.cos⁡xy = \sin 3x.\cos xy=sin3x.cosx là một hàm số tuần hoàn có chu kì là

Thông tin câu hỏi

Câu 3:

Hàm số $y = \sin 3x.\cos x$ là một hàm số tuần hoàn có chu kì là