# COSH

Elemental Intrinsic Function (Generic): Produces a hyperbolic cosine.

result = COSH (x)

x | (Input) Must be of type real or complex.

## Results

The result type and kind are the same as x.

If x is of type complex, the imaginary part of the result is in radians.

Specific Name | Argument Type | Result Type
--- | --- | ---
COSH | REAL(4) | REAL(4)
DCOSH | REAL(8) | REAL(8)
QCOSH | REAL(16) | REAL(16)

## Example

COSH (2.0) has the value 3.762196.

COSH (0.65893) has the value 1.225064.

Parent topic: C to D