$\int\cos\left(16-8x\right)dx$

$\lim_{x\to\infty}\left(\frac{e^{0.5}}{e^{0.1}}\right)^x$

$\left(6.6\right)^5$

$\frac{\cot\left(x\right)+1}{\cot\left(x\right)}=1+\tan\left(x\right)$

$4x-3+9x^3-3x^2-2x^5-6x^7+4x-3-6x^2$

$\frac{5g^{-5}}{3g^{-3}}$

$x^2-\frac{12}{7}+\frac{36}{49}$