TAN(X)

Purpose

Tangent function.

Class

Elemental function

Argument Type and Attributes

X
must be of type real.

Result Type and Attributes

Same as X.

Result Value

The result approximates tan(X), where X has a value in radians.

Examples

TAN (1.0) has the value 1.5574077 (approximately).


Specific Name Argument Type Result Type Pass As Arg?
TAN default real default real yes
DTAN double precision real double precision real yes
QTAN REAL(16) REAL(16) yes (1)

Notes:

  1. IBM Extension: the ability to pass the name as an argument.
IBM Copyright 2003