Задание

Решите неравенство

\(\dfrac{\sqrt{\cos ^2x+10}+\sqrt{\sin ^2x+9}}{2}\leqslant \sqrt[4]{(\cos ^2x+10)(\sin ^2x+9)}\).

\(\dfrac{\pi}{2}+\pi n, n\in \mathbb Z\)

\(\pi+\pi n, n\in \mathbb Z\)

\(\dfrac{\pi}{2}+2\pi n, n\in \mathbb Z\)

\(\pi n, n\in \mathbb Z\)