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MySQL ATAN2() Function

❮ MySQL Functions

Example

Return the arc tangent of two values:

SELECT ATAN2(0.50, 1);
Try it Yourself »

Definition and Usage

The ATAN2() function returns the arc tangent of two numbers.

Syntax

ATAN2(a, b)

Parameter Values

Parameter Description
a, b Required. Two numeric values to calculate the arc tangent of

Technical Details

Works in: From MySQL 4.0

More Examples

Example

Return the arc tangent of two values:

SELECT ATAN2(-0.8, 2);
Try it Yourself »

❮ MySQL Functions