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Câu 16:

Tất cả các nghiệm của phương trình $\sin 2x - 2\cos x = 0$

Câu 16: Tất cả các nghiệm của phương trình sin⁡2x−2cos⁡x=0\sin 2x - 2\cos x = 0sin2x−2cosx=0 là

Thông tin câu hỏi

Câu 16:

Tất cả các nghiệm của phương trình $\sin 2x - 2\cos x = 0$ là