mml=<math xmlns="http://www.w3.org/1998/Math/MathML"><msup><mfenced separators="|"><mfrac><mrow><mi>sec</mi><mo>⁡</mo><mi mathvariant="normal">A</mi></mrow><mrow><mi>cot</mi><mo>⁡</mo><mi mathvariant="normal">A</mi><mo>+</mo><mi>tan</mi><mo>⁡</mo><mi mathvariant="normal">A</mi></mrow></mfrac></mfenced><mn>2</mn></msup></math>