COTAN — Cotangent function

COTAN(X)

COTAN(X) computes the cotangent of X. Equivalent to COS(x) divided by SIN(x), or 1 / TAN(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:

GNU extension, enabled with -fdec-math.

Class:

Elemental function

Syntax:

RESULT = COTAN(X)

Example:

program test_cotan
  real(8) :: x = 0.165_8
  x = cotan(x)
end program test_cotan
Specific names:

Name

Argument

Return type

Standard

COTAN(X)

REAL(4) X

REAL(4)

GNU extension

DCOTAN(X)

REAL(8) X

REAL(8)

GNU extension
See also:

Converse function: TAN Degrees function: COTAND