data/snuggletex/137.mml
<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>2</mn><mi>sin</mi><mi>u</mi><mi>sin</mi><mi>v</mi><mo>=</mo><mi>cos</mi><mfenced close=")" open="("><mrow><mi>u</mi><mo>-</mo><mi>v</mi></mrow></mfenced><mo>-</mo><mi>cos</mi><mfenced close=")" open="("><mrow><mi>u</mi><mo>+</mo><mi>v</mi></mrow></mfenced></math>