lick="Sin()" style="COLOR: #FFFFFF; BACKGROUND-COLOR: #333333; HEIGHT: 25 px; WIDTH: 40px">
      </td>
      <td width="50">
        <input type="button" name="cos" value="cos" onClick="Cos()" style="COLOR: #FFFFFF; BACKGROUND-COLOR: #333333; HEIGHT: 25 px; WIDTH: 40px">
      </td>
      <td width="50">
        <input type="button" name="tan" value="tan" onClick="Tan()" style="COLOR: #FFFFFF; BACKGROUND-COLOR: #333333; HEIGHT: 25 px; WIDTH: 40px">
      </td>
      <td width="20"> </td>
      <td width="5