data/snuggletex/139.mml
<math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><msup><mrow><mi>g</mi><mi>d</mi></mrow><mn>-1</mn></msup></mrow><mfenced close=")" open="("><mi>x</mi></mfenced><mo>=</mo><mi>ln</mi><mi>tan</mi><mfenced close=")" open="("><mrow><mrow><mn>1</mn></mrow><mrow><mn>2</mn></mrow><mi>x</mi><mo>+</mo><mrow><mn>1</mn></mrow><mrow><mn>4</mn></mrow><mi>π</mi></mrow></mfenced></math>