Question

2sinx<-1
Допоможіть

Answer 1

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