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MYSQL

ATAN()


Description

The ATAN( ) function returns the arc tangent of X.

This function has the form:

SELECT ATAN(x)
Parameter Description
x A number

Return Value

The arc tangent of X.

Examples

The following example shows the basic use of this function:

mysql> SELECT ATAN(2);
-> 1.1071487177941
mysql> SELECT ATAN(-2);
-> -1.1071487177941


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