| Firebird Documentation Index → Firebird 2.5 Language Ref. Update → External functions (UDFs) → tan |
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Library: ib_udf
Added in: IB
Better alternative: Internal function TAN()
Description: Returns an angle's tangent. The argument must be given in radians.
Result type: DOUBLE PRECISION
Syntax:
tan (angle)
Declaration:
DECLARE EXTERNAL FUNCTION tan DOUBLE PRECISION RETURNS DOUBLE PRECISION BY VALUE ENTRY_POINT 'IB_UDF_tan' MODULE_NAME 'ib_udf'
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| Firebird Documentation Index → Firebird 2.5 Language Ref. Update → External functions (UDFs) → tan |