elasticsearch/docs/reference/query-languages/esql/_snippets/functions/cosh.md

COSH [esql-cosh]

Syntax

:::{image} ../../../../../images/cosh.svg :alt: Embedded :class: text-center :::

Parameters

number

Numeric expression. If null, the function returns null.

Description

Returns the hyperbolic cosine of a number.

Supported types

number	result
double	double
integer	double
long	double
unsigned_long	double

Example

ROW a=1.8
| EVAL cosh=COSH(a)

a:double	cosh:double
1.8	3.1074731763172667