ag-gipp/GoUldI

<math xmlns="http://www.w3.org/1998/Math/MathML"><mfrac><mrow><msup><mstyle mathvariant="normal"><mi>d</mi></mstyle><mn>2</mn></msup><mi>θ</mi><mfenced close=")" open="("><mi>t</mi></mfenced></mrow><msup><mrow><mstyle mathvariant="normal"><mi>d</mi></mstyle><mstyle mathvariant="normal"><mi>t</mi></mstyle></mrow><mn>2</mn></msup></mfrac><mo>=</mo><mo>-</mo><mi>sin</mi><mi>θ</mi><mfenced close=")" open="("><mi>t</mi></mfenced></math>