atan function

Applies to: Databricks SQL Databricks Runtime

Returns the inverse tangent (arctangent) of expr.

Syntax

atan(expr)

Arguments

• expr: An expression that evaluates to a numeric.

Returns

A DOUBLE.

Examples

SQL

> SELECT atan(0);
 1.0

Related functions

• atan2 function
• acos function
• asin function
• tan function