$\lim_{x\to\infty}\left(\left(e^x+4x\right)^{\left(\frac{1}{x}\right)}\right)$

$\int\left(\frac{1}{\left(s^2+x^2\right)^{\left(\frac{3}{2}\right)}}\right)dx$

$x^2+3x+2.25$

$2x^2-6y^2$

$\frac{1-\sin\left(2a\right)}{\cos\left(2a\right)}$

$\frac{1}{\sqrt{1-\cos^2\left(x\right)}}=\csc\left(x\right)$

$x=tan\left(y\right),\:y=\frac{\pi\:}{4},\:x=0$