def arccosh(x):
    """Inverse hyperbolic cosine, element-wise.

    Arguments:
        x: Input tensor.

    Returns:
        Output tensor of same shape as x.

    Example:
    >>> x = keras.ops.convert_to_tensor([10, 100])
    >>> keras.ops.arccosh(x)
    array([2.993223, 5.298292], dtype=float32)
    """
    if any_symbolic_tensors((x,)):
        return Arccosh().symbolic_call(x)
    return backend.numpy.arccosh(x)
Inverse hyperbolic cosine, element-wise.

    Arguments:
        x: Input tensor.

    Returns:
        Output tensor of same shape as x.

    Example:
    >>> x = keras.ops.convert_to_tensor([10, 100])
    >>> keras.ops.arccosh(x)
    array([2.993223, 5.298292], dtype=float32)
    
keras/src/ops/numpy.py