| Firebird Documentation Index → Firebird 2.1 Language Ref. Update → Internal functions → COSH() |
![]() |
Available in: DSQL, PSQL
Added in: 2.1
Description: Returns the hyperbolic cosine of the argument.
Result type: DOUBLE PRECISION
Syntax:
COSH (number)
Any non-
NULLresult is in the range [1, INF].
If the external function COSH is declared in your database, it will override the internal function. To make the internal function available, DROP or ALTER the external function (UDF).
| Firebird Documentation Index → Firebird 2.1 Language Ref. Update → Internal functions → COSH() |