sinx=07
\langle0;6\pi\rangle
x=\frac{1}{4}\pi, \frac{3}{4}\pi,2\frac{1}{4}\pi, 2\frac{3}{4}\pi,4\frac{1}{4}\pi, 4\frac{3}{4}\pi,
cosx=\frac{1}{2}
\langle-4\pi;4\pi\rangle
x=-3\frac{2}{3}\pi,-2\frac{2}{3}\pi,-2\frac{1}{3}\pi,-1\frac{2}{3}\pi,-\frac{1}{3}\pi,\frac{1}{3}\pi,1\frac{2}{3}\pi,2\frac{1}{3}\pi,3\frac{2}{3}\pi,