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

% This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.

**Parameters**

`number`
:   Number between -1 and 1. If `null`, the function returns `null`.
ESQL: Fix misspelling in generated docs (#129789) Pulled from #128576 so it's easier to review. 2025-06-21 03:42:37 +08:00			`% This is generated by ESQL's AbstractFunctionTestCase. Do not edit it. See ../README.md for how to regenerate it.`
Split ESQL functions/operators docs files (#123904) * Port from asciidocalypse * Fix links for operator lists * Remove unused image files after moving/editing them * Fix lists links * Fix like/rlike links * Fix remaining bad references to /elasticsearch/docs * Fix logstash and beats references * Fix logstash and beats references * Fix image links 2025-03-04 21:59:31 +08:00
			`Parameters`

			`number`
			: Number between -1 and 1. If `null`, the function returns `null`.