Question

ctg(-π/3-x/2)>=√3 решите

Answer 1

πn ≤ (-π/3 - x/2) ≤ arcctg(√3) + πn, n∈z
π/3 + πn ≤ ( - x/2) ≤ π/3 + π/6  + πn, n∈z
π/3 + πn ≤ ( - x/2) ≤ π/2 + πn, n∈z
π/3 + πn ≤ ( - x/2) ≤ π/2 + πn, n∈z
- π ≤ x ≤ - 2π/3 + πn, n∈z