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Returns the tangent of a number.
TAN( numeric-expression )
numeric-expression An angle, in radians.
The ATAN and TAN functions are inverse operations.
This function converts its argument to DOUBLE, performs the computation in double-precision floating point, and returns a DOUBLE as the result.
SQL/2003 Vendor extension.
The following statement returns the value of the tan of 0.52.
SELECT TAN( 0.52 );