xOld Equations Test

\[\liminf \sum_x^y \sin^{-1}_{2xy^2_{3,4}}xy^2+z^y=\cos^{e^2x\sin y}T_{a,b}\]
\[e^2x\sin y\]
\[\sum^y_{xsdgfdfgf}x\]
\[\sum^{y^2}_{x}x\]
\[x \frac{xy^2}{x}x\frac{x}{xy^2}x\]