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elasticsearch/docs/reference/query-languages/esql/_snippets/functions/cos.md
Colleen McGinnis b7e3a1e14b
[docs] Migrate docs from AsciiDoc to Markdown (#123507) 
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This reverts commit 8be688648d.

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---------

Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

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COS [esql-cos]

Syntax

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

Parameters

angle
An angle, in radians. If null, the function returns null.

Description

Returns the cosine of an angle.

Supported types

angle result
double double
integer double
long double
unsigned_long double

Example

ROW a=1.8
| EVAL cos=COS(a)
a:double cos:double
1.8 -0.2272020946930871