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Version: current [25.x]

Categories: Math

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