$\left(\sqrt[2]{x}+\frac{1}{3}\right)^4$

$\int x^3-x^7-x^{13}+x\:dx$

$sin^{\left(6\right)}\theta\:+cos^{\left(6\right)}\theta\:=1-3sin^{\left(2\right)}\theta\:\cdot\:\:cos^{\left(2\right)}\theta\:$

$24x^3\:-\:36\:ax^2$

$cosxcotx=\left(1-sin^2x\right)cscx$

$\frac{1-cos\left(x\right)}{cos\left(x\right)}$

$2+\left(-4-\:3\right)-\left(-4+\:2\right)$