| Esperanto | Deutsch | |
| kotangento | [Mathematik] Kotangens | ✘ |
| arkotangento | Arkustangens | ✘ |
| arkkotangento | Arkuskotangens | ✘ |
| arkokotangento | Arkuskotangens | ✘ |
| inversa hiperbola kotangento | Areakotangens | ✘ |
| hiperbola kotangento | hyperbolischer Kotangens | ✘ |
| ↳ | Hyperbelkotangens | ✘ |