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Câu 38:

Giải phương trình: $\sin x + \sin 2x = 0$

Câu 38: Giải phương trình: sin⁡x+sin⁡2x=0\sin x + \sin 2x = 0sinx+sin2x=0

Thông tin câu hỏi

Câu 38:

Giải phương trình: $\sin x + \sin 2x = 0$