Найдите значение выражения sin7П/2-cos(-П) - 8sin(-9П/2)-sin(-П/2)-cos2П - №31009839

Найдите значение выражения sin7П/2-cos(-П) - 8sin(-9П/2)-sin(-П/2)-cos2П
- Предмет:
  Алгебра
- Автор:
  piggy33
- 6 лет назад

Ответы 1

$\frac{0}{2} - ( - 1) - 8 \times ( - 1) - ( - 1) - 1 \\ 0 + 1 - 8 \times ( - 1) + 1 - 1 \\ 8 + 1 \\ 9$
- Автор:
  pinkieeqcf
- 6 лет назад
- 0
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