-1+2sin4x=0 решите уравнение
- 1 + 2sin4x = 0 2sin4x = 1 sin4x = 1/2 4x = pi/6 + 2pik x = pi/24 + pik/2, k ∈Z 4x = 5pi/6 + 2pik x = 5pi/24 + pik/2, k ∈Z