решите уравнение :-sin x= cos x - №20597557

решите уравнение :-sin x= cos x
- Предмет:
  Алгебра
- Автор:
  oscarc0nt
- 6 лет назад

Ответы 1

-Sin x= Cos x | : Cosx≠ 0-tgx = 1tgx = -1 x = -π/4 + πk , k ∈ Z
- Автор:
  calliegsup
- 6 лет назад
- 0
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