csch

Translingual

Pronunciation

• English:
  • IPA^(key): /ˈkoʊ.sɛtʃ/, /ˈkoʊ.ʃɛk/

Symbol

csch

1. (mathematics) The symbol of the hyperbolic function hyperbolic cosecant.

Usage notes

The symbol csch is prescribed by the ISO 80000-2:2019 standard. The symbol cosech remains in widespread use despite being explicitly deprecated by ISO 80000-2:2019.

See also

• sech
• coth
• arcsch