ag-gipp/GoUldI

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data/texzilla/138.mml

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<math 
  xmlns="http://www.w3.org/1998/Math/MathML">
  <semantics>
    <mrow>
      <msup>
        <mo lspace="0em" rspace="0em">cos</mo>
        <mn>2</mn>
      </msup>
      <mo stretchy="false">(</mo>
      <mi>u</mi>
      <mo stretchy="false">)</mo>
      <mo>-</mo>
      <msup>
        <mo lspace="0em" rspace="0em">cos</mo>
        <mn>2</mn>
      </msup>
      <mo stretchy="false">(</mo>
      <mi>v</mi>
      <mo stretchy="false">)</mo>
      <mo>=</mo>
      <mo>-</mo>
      <mo lspace="0em" rspace="0em">sin</mo>
      <mo stretchy="false">(</mo>
      <mi>u</mi>
      <mo>+</mo>
      <mi>v</mi>
      <mo stretchy="false">)</mo>
      <mo lspace="0em" rspace="0em">sin</mo>
      <mo stretchy="false">(</mo>
      <mi>u</mi>
      <mo>-</mo>
      <mi>v</mi>
      <mo stretchy="false">)</mo>
    </mrow>
    <annotation encoding="TeX">\cos^2(u) - \cos^2(v) = -\sin(u+v) \sin(u-v)</annotation>
  </semantics>
</math>