Integral of $$$\frac{4 \tan^{3}{\left(x \right)}}{\tan^{2}{\left(x \right)} - 1}$$$

The calculator will find the integral/antiderivative of $$$\frac{4 \tan^{3}{\left(x \right)}}{\tan^{2}{\left(x \right)} - 1}$$$, with steps shown.

Find $$$\int \frac{4 \tan^{3}{\left(x \right)}}{\tan^{2}{\left(x \right)} - 1}\, dx$$$.

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