$\frac{x^{20}-1024}{x^2-2}$

$\lim_{x\to\infty}\:2^{x+1}$

$\int tng\left(1\right)dx$

$\ln\left(e\right)^y$

$7\sin\left(x\right)=2-3\sin\left(x\right)$

$sin\left(-2x\right)=\frac{\sqrt{3}}{2}$

$\lim_{x\to0}\left(\frac{\left(e^x-x-1\right)}{\left(x^3+cos\left(x\right)-1\right)}\right)$