$\frac{d}{dx}\sqrt{\frac{x-1}{x^8+1}}$

$\cot\left(2x\right)+1=\frac{1}{\sin\left(2x\right)}$

$\left(\sqrt{3}.\sin\left(x\right)-2\right)\left(\cot\left(x\right)+1\right)=0$

$\int\left(2\right)\tan\left(6x-5\right)dx$

$\left(+78\right)\cdot\left(+98\right)$

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

$\sqrt[4]{48y^{12}z^{15}}$