34 lines
638 B
Plaintext
34 lines
638 B
Plaintext
[discrete]
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[[esql-atan]]
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=== `ATAN`
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*Syntax*
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[.text-center]
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image::esql/functions/signature/atan.svg[Embedded,opts=inline]
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*Parameters*
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`n`::
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Numeric expression. If `null`, the function returns `null`.
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*Description*
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Returns the
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https://en.wikipedia.org/wiki/Inverse_trigonometric_functions[arctangent] of the
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input numeric expression as an angle, expressed in radians.
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*Supported types*
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include::types/atan.asciidoc[]
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*Example*
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[source.merge.styled,esql]
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----
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include::{esql-specs}/floats.csv-spec[tag=atan]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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|===
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include::{esql-specs}/floats.csv-spec[tag=atan-result]
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|=== |