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