Решите уравнение
sin(x/2-п/6)+1=0

sin(x/2-π/6)+1=0sin(x/2 - π/6) = - 1x/2 - π/6 = - π/2 + 2πk, k∈Zx/2  = - π/2 + π/6 + 2πk, k∈Zx/2  = - π/3  + 2πk, k∈Zx  = - 2π/3  + 4πk, k∈Z