$\sec\left(x\right)=\frac{1}{\sqrt{3}}\:$

$\frac{4.9}{3.4\:}=\frac{34.3}{23.8}$

$\lim_{x\to\infty}\left(\frac{in\left(1+\frac{1}{x}\right)}{in\left(a-\frac{1}{x}\right)}\right)$

$\frac{1}{2cot\left(x\right)^{\left[2\right]}}$

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

$\int_0^{2\pi}\left(\sqrt{1-\sin\left(x\right)}\right)dx$

$14\left(b+1\right)-6-4b-5$