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$$\int_0^{2 \pi} \frac{\sin x}{1+x^4} \ dx$$

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1 Answer 1

up vote 1 down vote accepted

Hint: convert to partial fraction and use $Si$ and $Ci$ integrals.

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OK. Thanks for your hint! (+1) –  Chris's sis Dec 10 '12 at 16:42
Chris: You are welcome. –  Mhenni Benghorbal Dec 10 '12 at 16:43

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