Задание

Решите уравнение:

\(2\cos(x-\frac{\pi}{4})=1\)

  • \(\frac{\pi}{4}\pm\frac{\pi}{3}+2\pi n,n\in Z\)
  • \(\frac{\pi}{4}\pm\frac{\pi}{6}+2\pi n,n\in Z\)
  • \(\frac{7\pi}{12}+2\pi n,n\in Z\)
  • \(\frac{7\pi}{12}+\pi n,n\in Z\)