Syntax
ARC_TANGENT(Argument)
Description
The ARC_TANGENT SQL scalar function returns the arc tangent of a number, in radians.
The ARC_TANGENT and TANGENT functions are inverse operations.
The argument must be a number.
The data type of the result is double-precision floating point.
If the argument can be null, the result can be null; if the argument is null, the result is the null value.
The result is in the range (-&pi./2, &pi./2).
Example
Assume the column ATANGENT is a decimal (10,8) column with a value of 14.10141995.
ARC_TANGENT(ATANGENT)
Returns the approximate value 1.50.
List of SQL scalar functions by topic