Решить уравнение \(\frac{3^{\cos x}}{9^{\cos^2 x}} =4^{2\cos^2 x-\cos x}\) \(\frac{\pi}{2}+2\pi l, l\in Z\) \(\frac{\pi}{2}+\pi n, n\in Z\) \(\pm \frac{\pi}{6}+2\pi m, m\in Z\) \(\pm \frac{\pi}{3}+2\pi k, k\in Z\) \(\pi t, t\in Z\) \(\pm \frac{2\pi}{3}+2\pi r, r\in Z\)

Задание

Решить уравнение \(\frac{3^{\cos x}}{9^{\cos^2 x}} =4^{2\cos^2 x-\cos x}\)

\(\frac{\pi}{2}+2\pi l, l\in Z\)
\(\frac{\pi}{2}+\pi n, n\in Z\)
\(\pm \frac{\pi}{6}+2\pi m, m\in Z\)
\(\pm \frac{\pi}{3}+2\pi k, k\in Z\)
\(\pi t, t\in Z\)
\(\pm \frac{2\pi}{3}+2\pi r, r\in Z\)