2sinx<-1
Допоможіть

sinx < - 1/2- π - arcsin(-1/2) + 2πn < x < arcsin(-1/2) + 2πn, n∈Z- π + π/6 + 2πn < x < - π/6 + 2πn, n∈Z- 5π/6 + 2πn < x < - π/6 + 2πn, n∈Z