Решите нервенства: 1) tgx>√3/3 2) tgx<-√3/3 3)tgx≥√3 4)tgx≥-1
3) tgx ≥ √3 (π/3)+πn ≤ x < (π/2) + πn, n ∈ [b]Z[/b] 4) tgx ≥ -1 (-π/4)+πn ≤ x < (π/2) + πn, n ∈ [b]Z[/b]