Хелп Sin(x+pi/4) <= 1/2

РешениеSin(x+π/4) ≤ 1/2- π - arcsin(1/2) + 2πn ≤ x + π/4 ≤ arcsin(1/2) + 2πn, n∈Z- π - π/6 + 2πn ≤ x + π/4 ≤ π/6 + 2πn,n ∈Z- 7π/6 + 2πn ≤ x + π/4 ≤ π/6 + 2πn,n ∈Z- 7π/6 - π/4 + 2πn ≤ x ≤ π/6 - π/4 + 2πn,n ∈Z- 17π/12 + 2πn ≤ x ≤ - π/12 + 2πn, n∈Z