2 2
3 + ------ + 3*tan (x) + 9*sin(x)
2
1 + x
$$9 \sin{\left(x \right)} + 3 \tan^{2}{\left(x \right)} + 3 + \frac{2}{x^{2} + 1}$$
4*x / 2 \
9*cos(x) - --------- + 6*\1 + tan (x)/*tan(x)
2
/ 2\
\1 + x /
$$- \frac{4 x}{\left(x^{2} + 1\right)^{2}} + 6 \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)} + 9 \cos{\left(x \right)}$$
2 2
4 / 2 \ 2 / 2 \ 16*x
-9*sin(x) - --------- + 6*\1 + tan (x)/ + 12*tan (x)*\1 + tan (x)/ + ---------
2 3
/ 2\ / 2\
\1 + x / \1 + x /
$$\frac{16 x^{2}}{\left(x^{2} + 1\right)^{3}} + 6 \left(\tan^{2}{\left(x \right)} + 1\right)^{2} + 12 \left(\tan^{2}{\left(x \right)} + 1\right) \tan^{2}{\left(x \right)} - 9 \sin{\left(x \right)} - \frac{4}{\left(x^{2} + 1\right)^{2}}$$