Решите неравенства (просто ответы).
1 x∈[-π/3+2πn;-π/6+2πk] U [π/6+2πk[π/3+2πk],k∈z 2 [ctgx≤-√3/3 [ctgx≥√3/3 x∈[-π/3+πk;πk) U (πk;π/3+πk],k∈z