$100,012-0.1+10.11$

$sin^{-1}\left(sin\left(\frac{2\pi}{3}\right)\right)$

$c\sec a=\frac{12}{5}$

$\frac{1}{729}x^{15}-\frac{1}{1331}y^{18}$

$2\:cos^2\:x=\:cos\:x$

$\int_0^{\infty}\left(\frac{x}{\left(x+2\right)^2}\right)dx$

$\lim_{x\to0}\left(\frac{ln\left(1+x^2\right)}{e^x-\cos\left(x\right)}\right)$