## Integration

I can't figure out how to integrate this:

$$\int_{0}^{\infty} \frac{x}{\sqrt{m^2+x^2}}sin(kx)sin(t\sqrt{m^2+x^2}) dx$$

m, k and t are constants.

The book has for m = 0, the solution is some dirac delta functions.
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 Recognitions: Gold Member Homework Help Science Advisor Hmm..I doubt you can find an exact solution for this. At first glance, the stationary phase approximation might yield some result.