the cosine function with argument in degrees.
        </li>
        <li>
          <b>COSH_VALUES</b> returns some values of the hyperbolic cosine function.
        </li>
        <li>
          <b>COT_VALUES</b> returns some values of the cotangent function.
        </li>
        <li>
          <b>CP_VALUES</b> returns some values of the specific heat at constant pressure.
        </li>
        <li>
          <b>DAWSON_VALUES</b> returns some values of Dawson's integral.
        </li>
        <li>
         