Mathematics, 22.02.2021 18:00 lehbug01

1)sin2x+sin3x+sin4x=0
2) sin2x+cos²x=4cosx
3) sin 2x-tgx=0

Answers: 3

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1)sin2x+sin3x+sin4x=0
2) sin2x+cos²x=4cosx
3) sin 2x-tgx=0...