Задание
Реши уравнение и выбери все решения
\(\sqrt{2}\cos x-1=0\) .
- \(x=-\cfrac{\pi }{4}-2\pi n, n\in \Z\)
- \(x=-\cfrac{\pi }{4}+2\pi n, n\in \Z\)
- \(x=-\cfrac{\pi }{4}+\pi n, n\in \Z\)
- \(x=-\cfrac{\pi }{4}-\pi n, n\in \Z\)
- \(x=\cfrac{\pi }{4}-2\pi n, n\in \Z\)
- \(x=\cfrac{\pi }{4}+2\pi n, n\in \Z\)
- \(x=\cfrac{\pi }{4}+\pi n, n\in \Z\)
- \(x=\cfrac{\pi }{4}-\pi n, n\in \Z\)
\(3\tg 2x+\sqrt{3}=0\) .
- \(x=\cfrac{\pi }{12}+\pi n, n\in \Z\)
- \(x=-\cfrac{\pi }{12}+\pi n, n\in \Z\)
- \(x=-\cfrac{\pi }{12}+\cfrac{\pi n}{2}, n\in \Z\)
- \(x=\cfrac{\pi }{12}-\pi n, n\in \Z\)
- \(x=-\cfrac{\pi }{12}-\pi n, n\in \Z\)