Wersja z 2022-09-19
| `sin` `(alpha + beta) = sin alpha cos beta + cos alpha sin beta` | `sin` `(alpha - beta) = sin alpha cos beta - cos alpha sin beta` | |
| `cos` `(alpha + beta) = cos alpha cos beta - sin alpha sin beta` | `cos` `(alpha - beta) = cos alpha cos beta + sin alpha sin beta` | |
| `"tg" (alpha + beta) = ("tg" alpha + "tg" beta)/(1 - "tg" alpha "tg" beta)` | `"tg" (alpha - beta) = ("tg" alpha - "tg" beta)/(1 + "tg" alpha "tg" beta)` | |
| `"ctg" (alpha + beta) = ("ctg" alpha "ctg" beta - 1)/("ctg" alpha + "ctg" beta)` | `"ctg" (alpha - beta) = ("ctg" alpha "ctg" beta + 1)/("ctg" beta - "ctg" alpha)` | |
| `sec` `(alpha + beta) = (sec alpha sec beta)/(1 - "tg" alpha "tg" beta)` | `sec` `(alpha - beta) = (sec alpha sec beta)/(1 + "tg" alpha "tg" beta)` | |
| `csc` `(alpha + beta) = (csc alpha csc beta)/("ctg" alpha + "ctg" beta)` | `csc` `(alpha - beta) = (csc alpha csc beta)/("ctg" beta - "ctg" alpha)` |