$\lim_{x\to\infty}\left(\frac{3x^2+x+2}{x^3+8x+1}\right)$

$\frac{dx}{dy}=\frac{3}{2}x^2\left(y-1\right)^3$

$\cos\left(2x\right)-2\sin\left(x\right)-\cos^2\left(x\right)=-3$

$225p^2+35p+400$

$x^2-3x-550=0$

$\int t^3e^{-t^2}dt$

$\left(\csc\left(t\right)-\cot\left(t\right)\right)^4\left(\csc\left(t\right)-\cot\left(t\right)\right)^4=1$