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- Double integral as a result of some work I'm doing

I have an integral:

[tex]

\int_{-1}^{0}\int_{-1}^{q}\delta(s+a)\sinh[k(q-s)]dsdq

[/tex]

where [itex]0<a<1[/itex] and [itex]\delta (s-a)[/itex] is a dirac delta function. Anyone know what to do?

[tex]

\int_{-1}^{0}\int_{-1}^{q}\delta(s+a)\sinh[k(q-s)]dsdq

[/tex]

where [itex]0<a<1[/itex] and [itex]\delta (s-a)[/itex] is a dirac delta function. Anyone know what to do?

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