9.77 COTAND — Cotangent function, degrees

Description:

COTAND(X) computes the cotangent of X in degrees. Equivalent to COSD(x) divided by SIND(x), or 1 / TAND(x).

Standard:

GNU extension, enabled with -fdec-math.

This function is for compatibility only and should be avoided in favor of standard constructs wherever possible.

Class:

Elemental function

Syntax:

RESULT = COTAND(X)

Arguments:

X	The type shall be REAL or COMPLEX.

Return value:

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

Example:

program test_cotand
  real(8) :: x = 0.165_8
  x = cotand(x)
end program test_cotand

Specific names:

Name	Argument	Return type	Standard
COTAND(X)	REAL(4) X	REAL(4)	GNU extension
DCOTAND(X)	REAL(8) X	REAL(8)	GNU extension

See also:

Converse function: TAND Radians function: COTAN