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Nazar200623
@Nazar200623
July 2023
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Розв'яжіть нерівність
2 cos² x - 3 cos x + 1 < 0.
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solodovnikmasa616
Ответ:
x = ± π/3 + 2πn, n ∈Z. x = 2πk, k ∈Z.
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Answers & Comments
Ответ:
x = ± π/3 + 2πn, n ∈Z. x = 2πk, k ∈Z.