Question

Не могу решить пример:
2sin x = -1

Answer 1

2sinx=-1
sinx=-(1/2)
x=(1)^n *arcsin(-1/2)+πn, n∈Z
x= [(-1)^(n+1)] *arcsin(1/2)+πn
x= [(1/2)^(n+1)] * (π/6)+πn, n∈Z