2 4 x
-7 - 7*cot (x) + ----------- + 3*7 *log(7)
________
/ 2
\/ 1 - x
$$3 \cdot 7^{x} \log{\left(7 \right)} - 7 \cot^{2}{\left(x \right)} - 7 + \frac{4}{\sqrt{1 - x^{2}}}$$
x 2 4*x / 2 \
3*7 *log (7) + ----------- + 14*\1 + cot (x)/*cot(x)
3/2
/ 2\
\1 - x /
$$3 \cdot 7^{x} \log{\left(7 \right)}^{2} + \frac{4 x}{\left(1 - x^{2}\right)^{\frac{3}{2}}} + 14 \left(\cot^{2}{\left(x \right)} + 1\right) \cot{\left(x \right)}$$
2 2
/ 2 \ 4 2 / 2 \ x 3 12*x
- 14*\1 + cot (x)/ + ----------- - 28*cot (x)*\1 + cot (x)/ + 3*7 *log (7) + -----------
3/2 5/2
/ 2\ / 2\
\1 - x / \1 - x /
$$3 \cdot 7^{x} \log{\left(7 \right)}^{3} + \frac{12 x^{2}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} - 14 \left(\cot^{2}{\left(x \right)} + 1\right)^{2} - 28 \left(\cot^{2}{\left(x \right)} + 1\right) \cot^{2}{\left(x \right)} + \frac{4}{\left(1 - x^{2}\right)^{\frac{3}{2}}}$$