Помогите срочно (3-cos3x)sin3x=0

Помогите срочно
(3-cos3x)sin3x=0
- Предмет:
  Алгебра
- Автор:
  chief95
- 6 лет назад

Ответы 2

Ответ на фотографии.
- Автор:
  tacoyy0k
- 6 лет назад
- 0
Решение: $(3-cos3x)*sin3x=0$ $3-cos3x = 0$ или $sin3x = 0$ 1) $3-cos3x = 0$ $cos3x = 3$ Уравнение не имеет корней, т.к. по определению - 1≤ cos α ≤ 1 при любых значениях α2) $sin3x = 0$ $3x = \pi n$ , где n∈Ζ $x = \frac{ \pi n}{3}$ , где n∈ΖОтвет: $x = \frac{ \pi n}{3}$ , где n∈Ζ
- Автор:
  vaughn
- 6 лет назад
- 0
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Помогите срочно (3-cos3x)sin3x=0

Ответы 2

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Помогите срочно
(3-cos3x)sin3x=0