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version 11
ATAN (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;See Also
TAN.
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