TAN — Tangent function#

TAN(X)#

TAN(X) computes the tangent of X.

Parameters

X – The type shall be REAL or COMPLEX.

Returns

The return value has same type and kind as X, and its value is in radians.

Standard:

Fortran 77 and later, for a complex argument Fortran 2008 or later

Class:

Elemental function

Syntax:
RESULT = TAN(X)
Example:
program test_tan
  real(8) :: x = 0.165_8
  x = tan(x)
end program test_tan
Specific names:

Name

Argument

Return type

Standard

TAN(X)

REAL(4) X

REAL(4)

Fortran 77 and later

DTAN(X)

REAL(8) X

REAL(8)

Fortran 77 and later

See also:

Inverse function: ATAN Degrees function: TAND