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pisces250299
2 năm trước
Làm ơn giúp mình với ạ . Mình không biết làm . Help me , please Bài 1 : tìm m để phương trình sau vô nghiệm : sin bình x + sin 2x = 3- 2m Bài 2 : cho phương trình : m sinx + ( m + 1 ) cos x = m/ cos x Giải phương trình m = 1/2
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