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Integrate[E^(a*x)*Cos[b*x]*Sin[c + b*x], x] ==
(E^(a*x)*(Sin[c]/a + (-2*b*Cos[c + 2*b*x] +
a*Sin[c + 2*b*x])/(a^2 + 4*b^2)))/2
a x Integrate[E Cos[b x] Sin[c + b x], x] ==
a x Sin[c]
(E (------ +
a
-2 b Cos[c + 2 b x] + a Sin[c + 2 b x]
--------------------------------------)) / 2
2 2
a + 4 b
Time to compute: 0.30 second
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