# COTAN

Elemental Intrinsic Function (Generic): Produces the cotangent of x.

result = COTAN (x)

x | (Input) Must be of type real; it cannot be zero. It must be in radians and is treated as modulo 2*pi.

## Results

The result type and kind are the same as x.

Specific Name | Argument Type | Result Type
--- | --- | ---
COTAN | REAL(4) | REAL(4)
DCOTAN | REAL(8) | REAL(8)
QCOTAN | REAL(16) | REAL(16)

## Example

COTAN (2.0) has the value -4.576575E-01.

COTAN (0.6) has the value 1.461696.

Parent topic: C to D