| 1 | ||
Isin4x−cos4xI= | mam rozwiązać w zbiorze liczb ujemnych | |
| 2 |
| 1 | ||
Isin2x−cos2xI= | potem | |
| 2 |
| 1 | ||
I−cos2xI= | ||
| 2 |
| 1 | 1 | |||
−cos2x= | v −cos2x=− | |||
| 2 | 2 |
| 1 | 1 | |||
cos2x=− | v cos2x= | |||
| 2 | 2 |
| π | ||
2x=+/− | +2kπ | |
| 3 |
| π | ||
x= +/− | +kπ | |
| 6 |
| 2π | ||
2x=+/− | +2kπ | |
| 3 |
| π | ||
x= +/− | +kπ | |
| 3 |
| π | π | 2π | 5π | |||||
x= − | −kπ v x= − | −kπ v x= − | −kπ v x= − | −kπ, | ||||
| 6 | 3 | 3 | 6 |