ATAN

Computes the Arctangent (inverse tangent) of a value.

Syntax

ATAN(inputValue FLOAT) → FLOAT

• inputValue: Floating-point input value, in the range (negative-infinity:positive-infinity)

Examples

ATAN example

SELECT ATAN(0)
-- 0.0

ATAN example

SELECT ATAN(1)
-- 0.7853981633974483

ATAN example

SELECT ATAN(-1)
-- -0.7853981633974483

ATAN example

SELECT ATAN(19564.7)
-- 1.5707452143321894