Запиши формулы серий точек, обозначенных на рисунке \cfrac{\pi}{4} 2\pi k \cfrac{\pi}{8} \pi k -\cfrac{\pi}{4} 2\pi n -\cfrac{\pi}{2} \pi n \cfrac{\pi}{2} \pi k P и P_1:+, k\in \Z. Q и Q_1:+ , n\in \Z. R и R_1: +, k\in \Z.

Задание

Запиши формулы серий точек, обозначенных на рисунке

\(\cfrac{\pi}{4}\)
\(2\pi k\)
\(\cfrac{\pi}{8}\)
\(\pi k\)
\(-\cfrac{\pi}{4}\)
\(2\pi n\)
\(-\cfrac{\pi}{2}\)
\(\pi n\)
\(\cfrac{\pi}{2}\)
\(\pi k\)

\(P\) и \(P\_1\) : [ ] \(+\) [ ], \(k\in \Z\) .
\(Q\) и \(Q\_1\) : [ ] \(+\) [ ], \(n\in \Z\) .
\(R\) и \(R\_1\) : [ ] \(+\) [ ], \(k\in \Z\) .