4D v18

ATAN

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4D v18

4D SQL Reference

Functions

ATAN



	Command ATANATAN (arithmetic_expression)

Description

The ATAN function returns the arc tangent of the arithmetic_expression. It is the inverse of the tangent (TAN) function. The arithmetic_expression represents the angle expressed in radians.

Example

This example will return the arc tangent of the angle expressed in radians (-0.73):

SELECT ATAN(-0.73)
FROM TABLES_OF_ANGLES;