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Cos x a. Π 2 + Π N ≤ X ≤ Π + Π N на окружности. M(5π6. (︃ �� − 5𝜋 6. 5π/6.
Π 2 + Π N ≤ X ≤ Π + Π N на окружности. M(5π6. (︃ �� − 5𝜋 6. 5π/6.

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