$\sin\left(x\right)^2+\cos\left(-\frac{5}{13}\right)=1$
$\left(\frac{-11x}{5}+36\right)$
$\lim_{x\to0}\left(\frac{\left(2-2cos^2x\right)}{xsinx}\right)$
$\left(7m^2-3n^4\right)^3$
$\frac{2x}{x+1}\le-b$
$\left(y^2+15\right)^3$
$\left(3.2+y\right)\left(0.5+y\right)$
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