1-4sin^2 (5x-П/3) = 0

Решите уравнение

1-4sin^2 (5x-П/3) = 0

sin ² (5x - π/3) = 1/4

sin (5x-π/3) = 1/2

5x-π/3 = (-1) ^n π/6+πN

x = (-1) ^n π/30+π/15+π/5*N

sin (5x-π/3) = - 1/2

5x-π/3 = (-1) ^n 5π/6+πN

x = (-1) ^n π/6+π/15+π/5*N