I need to solve for the integral of f(x)=cos(x)/sqrt(1+x^2)(adsbygoogle = window.adsbygoogle || []).push({});

Integral calculating computers online all say that this integral doesn't exist or takes too much computing time to solve. This is only a calculus 1 problem so I imagine if the answer is too complicated then it was probably a mistake on the professors part. Any help is greatly appreciated.

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# Nonexistent integral?

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