Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, 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.

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Format

>>-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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