Решите уравнение \(sinx=-\frac{1}{2}.\)
\(± \frac {2π} {3}+2πn, nϵz\)
\(\frac {4π} {3}+2πn, nϵz;
- \frac {2π} {3}+2πn, nϵz\)
\(± \frac {5π} {6}+2πn, nϵz\)
\(-\frac {π} {6}+2πn, nϵz; -\frac {5π} {6}+2πn, nϵz\)