rec-scalarproduct1

scalar product

W3C sample	WIRIS
	$A\cdot B=ab\cos \theta$

<math xmlns="http://www.w3.org/1998/Math/MathML">
  <apply>
    <eq/>
    <apply>
      <scalarproduct/>
      <ci type="vector">A</ci>
      <ci type="vector">B</ci>
    </apply>
    <apply>
      <times/>
      <ci>a</ci>
      <ci>b</ci>
      <apply>
        <cos/>
        <ci> &#x003B8;</ci>
      </apply>
    </apply>
  </apply>
</math>

Author: MathML 2 Recomendation