Предмет: Алгебра, автор: svdavit

tgx>-1 как решить? помогите пожалуйста

Ответы

Автор ответа: marktopskiy34567

1

tg(x) > -1

• Построим график функции тангенс:

• точка -1 на оси ординат пересекает график в точке:

arctg (-1) = -π/4

• Значит исходное решение:

( -π/4 + πn ; π/2 + πn ) , ℕ ∈ ℤ

Ответ: ( -π/4 + πn ; π/2 + πn ) , ℕ ∈ ℤ

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