elasticsearch/docs/reference/esql/functions/cos.asciidoc

[discrete]
[[esql-cos]]
=== `COS`
[.text-center]
image::esql/functions/signature/cos.svg[Embedded,opts=inline]

https://en.wikipedia.org/wiki/Sine_and_cosine[Cosine] trigonometric function.

[source.merge.styled,esql]
----
include::{esql-specs}/floats.csv-spec[tag=cos]
----
[%header.monospaced.styled,format=dsv,separator=|]
|===
include::{esql-specs}/floats.csv-spec[tag=cos-result]
|===

Supported types:

include::types/cos.asciidoc[]