$\tg^2 x=1$ $-\dfrac{\pi}{4}+2\pi n, n\in\Z$ $\pm\dfrac{\pi}{4}+\pi n, n\in\Z$ $\dfrac{3\pi}{4}+\pi n, n\in\Z$ $\dfrac{\pi}{4}+2\pi n, n\in\Z$

Задание

Реши уравнение.

\(\tg^2 x=1\)

Выбери верный вариант.

\(-\dfrac{\pi}{4}+2\pi n, n\in\Z\)
\(\pm\dfrac{\pi}{4}+\pi n, n\in\Z\)
\(\dfrac{3\pi}{4}+\pi n, n\in\Z\)
\(\dfrac{\pi}{4}+2\pi n, n\in\Z\)