5*x*cos(5*x) + sin(5*x) 6*x*sin(5*x)
----------------------- - ---------------------
2 / 2\ 3
atan (3*x) \1 + 9*x /*atan (3*x)
$$- \frac{6 x \sin{\left(5 x \right)}}{\left(9 x^{2} + 1\right) \operatorname{atan}^{3}{\left(3 x \right)}} + \frac{5 x \cos{\left(5 x \right)} + \sin{\left(5 x \right)}}{\operatorname{atan}^{2}{\left(3 x \right)}}$$
/ 1 \
54*x*|--------- + 2*x|*sin(5*x)
12*(5*x*cos(5*x) + sin(5*x)) \atan(3*x) /
10*cos(5*x) - 25*x*sin(5*x) - ---------------------------- + -------------------------------
/ 2\ 2
\1 + 9*x /*atan(3*x) / 2\
\1 + 9*x / *atan(3*x)
--------------------------------------------------------------------------------------------
2
atan (3*x)
$$\frac{\frac{54 x \left(2 x + \frac{1}{\operatorname{atan}{\left(3 x \right)}}\right) \sin{\left(5 x \right)}}{\left(9 x^{2} + 1\right)^{2} \operatorname{atan}{\left(3 x \right)}} - 25 x \sin{\left(5 x \right)} + 10 \cos{\left(5 x \right)} - \frac{12 \left(5 x \cos{\left(5 x \right)} + \sin{\left(5 x \right)}\right)}{\left(9 x^{2} + 1\right) \operatorname{atan}{\left(3 x \right)}}}{\operatorname{atan}^{2}{\left(3 x \right)}}$$
/ 2 \
| 6 36*x 27*x |
/ 1 \ 108*x*|-1 + --------------------- + -------- + --------------------|*sin(5*x)
162*|--------- + 2*x|*(5*x*cos(5*x) + sin(5*x)) | / 2\ 2 2 / 2\ |
90*(-2*cos(5*x) + 5*x*sin(5*x)) \atan(3*x) / \ \1 + 9*x /*atan (3*x) 1 + 9*x \1 + 9*x /*atan(3*x)/
-75*sin(5*x) - 125*x*cos(5*x) + ------------------------------- + ----------------------------------------------- - -----------------------------------------------------------------------------
/ 2\ 2 2
\1 + 9*x /*atan(3*x) / 2\ / 2\
\1 + 9*x / *atan(3*x) \1 + 9*x / *atan(3*x)
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
2
atan (3*x)
$$\frac{- 125 x \cos{\left(5 x \right)} - \frac{108 x \left(\frac{36 x^{2}}{9 x^{2} + 1} + \frac{27 x}{\left(9 x^{2} + 1\right) \operatorname{atan}{\left(3 x \right)}} - 1 + \frac{6}{\left(9 x^{2} + 1\right) \operatorname{atan}^{2}{\left(3 x \right)}}\right) \sin{\left(5 x \right)}}{\left(9 x^{2} + 1\right)^{2} \operatorname{atan}{\left(3 x \right)}} + \frac{162 \left(2 x + \frac{1}{\operatorname{atan}{\left(3 x \right)}}\right) \left(5 x \cos{\left(5 x \right)} + \sin{\left(5 x \right)}\right)}{\left(9 x^{2} + 1\right)^{2} \operatorname{atan}{\left(3 x \right)}} - 75 \sin{\left(5 x \right)} + \frac{90 \left(5 x \sin{\left(5 x \right)} - 2 \cos{\left(5 x \right)}\right)}{\left(9 x^{2} + 1\right) \operatorname{atan}{\left(3 x \right)}}}{\operatorname{atan}^{2}{\left(3 x \right)}}$$