Автор - ee1e

Найти все корни уравнения

1 + sin(x) - 3^(1/2) * cos(x)

На интервале x € (0;п)

Ответ

Автор - aastap7775

Ответ:

Пошаговое объяснение:

1 + sin(x) - √3cos(x) = 0 ⇒ sin(x) - √3cos(x) = -1 ⇒ 2(1/2 sin(x) - √3/2 cos(x)) = -1 ⇒ 2sin(x-π/3) = -1 ⇒ sin(x - π/3) = -1/2 ⇒ x - π/3 = (-1)^(n+1) * π/6 + πn, n ⊂ Z ⇒ x = (-1)^(n+1) * π/6 + π/3 + πn, n ⊂ Z

При n = -1 x = π/6 + π/3 - π = -π/2 ⊄(0; π)

При n = 0 x = -π/6 + π/3 = π/6

При n = 1 x = π/6 + π/3 + π = 5π/2 ⊄ (0; π)

Ответ: π/6

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