cos4a*cosa-sin4a*sina a-alfa - №29295035

cos4a*cosa-sin4a*sina a-alfa
- Предмет:
  Математика
- Автор:
  demetriuscervantes
- 5 лет назад

Ответы 1

=cos(4a+a)=cos5a
Косинус суммы
- Автор:
  dickensnunez
- 5 лет назад
- 0
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