| √2 | ||
Rozwiąż równanie sin(2x+ π4) = | ||
| 2 |
| π | √2 | |||
sin(2x+ | ) = | |||
| 4 | 2 |
| π | π | π | π | |||||
2x + | = | + 2kπ ∨ 2x+ | = π− | + 2kπ | ||||
| 4 | 4 | 4 | 4 |
| π | 3 | |||
2x = 2kπ /:2 2x+ | = | π + 2kπ | ||
| 4 | 4 |
| π | ||
x = kπ 2x = | + 2kπ /:2 | |
| 2 |