sin(|x|)
d --(sin(|x|)) dx
cos(|x|)*sign(x)
2 - sign (x)*sin(|x|) + 2*DiracDelta(x)*cos(|x|)
3 - sign (x)*cos(|x|) + 2*DiracDelta(x, 1)*cos(|x|) - 6*DiracDelta(x)*sign(x)*sin(|x|)