-x -x -x e *sin(x) x*e *sin(x) x*cos(x)*e ---------- + ------------ - ------------ 2 2 2
-x -x -x e *sin(x) x*e *sin(x) x*cos(x)*e ---------- + ------------ - ------------ 2 2 2
0.5*exp(-x)*sin(x) + 0.5*x*exp(-x)*sin(x) - 0.5*x*cos(x)*exp(-x)
-x (x*sin(x) - x*cos(x) + sin(x))*e ---------------------------------- 2
-x ((1 + x)*sin(x) - x*cos(x))*e ------------------------------- 2
-x -x -x e *sin(x) x*e *sin(x) x*cos(x)*e ---------- + ------------ - ------------ 2 2 2
-x -(-sin(x) + x*cos(x) - x*sin(x))*e ------------------------------------- 2
-x -x (1 + x)*e *sin(x) x*cos(x)*e ------------------ - ------------ 2 2