Firebird Documentation IndexFirebird 2.5 Language Ref. UpdateExternal functions (UDFs) → tan
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tan

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'
Prev: substrlenFirebird Documentation IndexUp: External functions (UDFs)Next: tanh
Firebird Documentation IndexFirebird 2.5 Language Ref. UpdateExternal functions (UDFs) → tan