Решите неравенства: 1) sin2x> -0,5 2) sin3x< -0,5

1) -π/6 + 2πk < 2x < 7π/6 + 2πk , k ЄZ
    -π/12 + πk < x < 7π/12 + πk , k ЄZ
2) -5π/6 + 2πk < 3x < -π/6 + 2πk , k ЄZ
    -5π/18 + 2πk/3 < x < -π/18 + 2πk/3 , k ЄZ

1) -π/6 + 2πk < 2x < 7π/6 + 2πk , k ЄZ
    -π/12 + πk < x < 7π/12 + πk , k ЄZ
x∈(-π/12 + πk ; 7π/12 + πk , k ЄZ)
2) 7π/6 + 2πk < 3x < 11π/6 + 2πk , k ЄZ
    7π/18 + 2πk/3 < x < 11π/18 + 2πk/3 , k ЄZ
x∈(7π/18 + 2πk/3 < x < 11π/18 + 2πk/3 , k ЄZ )