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Davide Giraudo earned this badge 2 times
aug 9 at 19:53
Compute $\int \frac{\sin(x)}{\sin(x)+\cos(x)}\mathrm dx$
jan 4 '12 at 0:04
Find the limit $\lim \limits_{n\to \infty }\cos \left(\pi\sqrt{n^{2}-n} \right)$

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