| √3 | ||
cos2x > | ||
| 2 |
| √3 | ||
2cos2 x − 1 > | ||
| 2 |
| √3 | ||
2cos2 x > | +1 | |
| 2 |
| √3+2 | ||
2cos2 x > | /2 | |
| 2 |
| √3+2 | ||
cos2 x > | ||
| 4 |
| π | π | |||
− | +2kπ>t> | +2kπ k∊C | ||
| 6 | 6 |
| π | π | |||
− | +2kπ>2x i 2x> | +2kπ | ||
| 6 | 6 |
| π | π | |||
− | +kπ>x x> | +kπ | ||
| 12 | 12 |
| π | π | |||
x∊(− | +kπ: | +kπ) , k∊C | ||
| 12 | 12 |
| √3 | ||
cos 2x > | ||
| 2 |
| π | π | |||
2 x ∊ ( − | + 2π*k ; | + 2π* k ) , gdzie k − liczba całkowita | ||
| 6 | 6 |
| π | π | |||
x ∊ ( − | + π*k ; | + π*k ) , gdzie k − liczba całkowita | ||
| 12 | 12 |