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## Homework Statement

Compute ∫[itex]^{∞}_{-∞}[/itex]dx (x

^{2}+a

^{2})

^{-1}δ(sin(2x)), without calculating the resulting sum.

## Homework Equations

This is a very specific integral which ,has a delta function δ operating on sin function

## The Attempt at a Solution

Does anyone know this integral ? I haven't seen before any similar examples.