$\sqrt{3}\tan\left(x-\frac{\pi}{5}\right)-1=0$

$\frac{1}{\frac{1}{ln\left(0\right)}}$

$\frac{\sqrt{1}}{x}$

$\left(\frac{\cos\left(a\right)}{1+\sin\left(a\right)}+\frac{\cos\left(a\right)}{1-\sin\left(a\right)}\right)$

$\int2x^2\:sin\left(\frac{x}{3}\right)\:dx$

$\int\frac{x^3}{16-x^2}dx$

$8a^3\cdot\sqrt[3]{a^2}$