$\sqrt[3]{27w^{21}}$

$\frac{sin^2}{\cos^2}+sec\:cos$

$\left(1+sin\:x\right)\left(cos\:x-cot\:x\right)$

$\lim_{x\to-3}\left(x-3128\right)^{\frac{1}{5}}$

$27a^3b^2-9a^2b$

$\frac{5\cos\left(x\right)}{\sin\left(x\right)}=5\cot\left(x\right)$

$\frac{\left|-1\right|+\left|-9\right|+\left|+2\right|}{\left|-1\right|+\left|-2\right|}$