Rational Developer for System z
COBOL for Windows, Version 7.5, Language Reference


TAN

The TAN function returns a numeric value that approximates the tangent of the angle or arc that is specified by the argument in radians.

The function type is numeric.

Format
Read syntax diagramSkip visual syntax diagram>>-FUNCTION TAN--(--argument-1--)------------------------------><
 
argument-1
Must be class numeric.

The returned value is the approximation of the tangent of argument-1.


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