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