| π | π | |||
sin | cosx − cos | sinx = 1 | ||
| 6 | 6 |
| π | ||
sin ( | − x) = 1 | |
| 6 |
| π | π | |||
sin ( | − x ) = sin ( | + 2π*k) | ||
| 6 | 2 |
| π | π | ||
− x = | + 2π*k | ||
| 6 | 2 |
| π | π | |||
x = | − | − 2π*k | ||
| 6 | 2 |
| 2 | ||
x = − | π − 2π*k | |
| 6 |
| π | ||
x = − | − 2π*k, k − dowolna liczba całkowita | |
| 3 |
| π | ||
x = − | + 2π*k | |
| 3 |
| π | 5π | |||
− | + 2π = | ... to jest to samo | ||
| 3 | 3 |