/ / sign(x) \ \
| 2*|- ------- + DiracDelta(x)|*sin(n*x) |
|n*(-2*cos(n*x) + n*x*sin(n*x)) \ x / 2*(n*x*cos(n*x) + sin(n*x))*sign(x)|
-|------------------------------ + -------------------------------------- + -----------------------------------|
| |x| x 2 |
\ x /
$$- (\frac{n \left(n x \sin{\left(n x \right)} - 2 \cos{\left(n x \right)}\right)}{\left|{x}\right|} + \frac{2 \left(\delta\left(x\right) - \frac{\operatorname{sign}{\left(x \right)}}{x}\right) \sin{\left(n x \right)}}{x} + \frac{2 \left(n x \cos{\left(n x \right)} + \sin{\left(n x \right)}\right) \operatorname{sign}{\left(x \right)}}{x^{2}})$$
/ 4*DiracDelta(x) 3*sign(x) \
/ sign(x) \ 2*|- --------------- + --------- + DiracDelta(x, 1)|*sin(n*x)
2 6*|- ------- + DiracDelta(x)|*(n*x*cos(n*x) + sin(n*x)) | x 2 |
n *(3*sin(n*x) + n*x*cos(n*x)) \ x / \ x / 3*n*(-2*cos(n*x) + n*x*sin(n*x))*sign(x)
- ------------------------------ - ------------------------------------------------------- - ------------------------------------------------------------- + ----------------------------------------
|x| 2 x 2
x x
$$- \frac{n^{2} \left(n x \cos{\left(n x \right)} + 3 \sin{\left(n x \right)}\right)}{\left|{x}\right|} + \frac{3 n \left(n x \sin{\left(n x \right)} - 2 \cos{\left(n x \right)}\right) \operatorname{sign}{\left(x \right)}}{x^{2}} - \frac{2 \left(\delta^{\left( 1 \right)}\left( x \right) - \frac{4 \delta\left(x\right)}{x} + \frac{3 \operatorname{sign}{\left(x \right)}}{x^{2}}\right) \sin{\left(n x \right)}}{x} - \frac{6 \left(n x \cos{\left(n x \right)} + \sin{\left(n x \right)}\right) \left(\delta\left(x\right) - \frac{\operatorname{sign}{\left(x \right)}}{x}\right)}{x^{2}}$$