4sin2 x – 11cos x – 11 = 0 4sin2 x + 9sin x cos x + 2cos2 x = 0 3 tg x – 8ctg x + - №5305600

4sin2 x – 11cos x – 11 = 0

4sin2 x + 9sin x cos x + 2cos2 x = 0

3 tg x – 8ctg x + 10 = 0

3sin 2x + 8sin2 x = 7
- Предмет:
  Алгебра
- Автор:
  dixiehays
- 6 лет назад

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