ATAN
Calculate arctangent

Description

Calculates the inverse tangent or arctangent of the given number. The value is returned in radians.

Function signature

1
ATAN(number: Number) => Number
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Parameter
Description
Number
Number to calculate arctangent for

Examples

Formula
Return value
ATAN(-1)
-0.78539816
ATAN(0)
0
ATAN(0.5)
0.46364761
Last modified 1yr ago
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