Indefinite Integration

$3 \tan ^{\frac{-1}{3}} x+\mathrm{c}$, where c is the constant of integration

$-3 \tan ^{\frac{-1}{3}} x+c$, where $c$ is the constant of integration

$-3 \cot ^{\frac{-1}{3}} x+c$, where $c$ is the constant of integration

$-\frac{3}{4} \tan ^{\frac{-4}{3}} x+\mathrm{c}$, where c is the constant of integration