3sin^x+4sinx*cosx+cos^x=0 - №21029445

3sin^x+4sinx*cosx+cos^x=0
- Предмет:
  Математика
- Автор:
  hardyfrank
- 6 лет назад

Ответы 1

Упрощаем, будет sin2x+cos2x=0, tg2x=-1, 2x=-п/4+_2пn, х=-п/8+-пn
- Автор:
  wadesweeney
- 6 лет назад
- 0
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