Помогите решить неравенство: Cosx ≥ √3/2
cosx=√3/2
x=±arccos√3/2+π*n, n ∈z,
x=±π/6 + πn, n ∈ z.
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cosx=√3/2
x=±arccos√3/2+π*n, n ∈z,
x=±π/6 + πn, n ∈ z.