
<!DOCTYPE math
  PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
  <eq/>
  <apply><image/>
    <sin/>
  </apply>
  <interval>
    <cn>-1</cn>
	<cn> 1</cn>
  </interval>
</apply>
</math>