Автор - DanSarve

Ctg (x-П) = -корень из 3, делённый на 3

Ответ

Автор - Nullpo201

x-π = arcctg(-1/✓3) + πk

x-π = (π-arcctg(1/✓3) + πk

x-π = π-π/3 + πk

x-π = 2π/3 +πk

x = 5π/3 + πk, k€Z

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