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Mathematics 20 Online
OpenStudy (anonymous):

Trig substitutions with integrals. Really basic question.

OpenStudy (anonymous):

\[\int\limits_{2\sqrt2}^{4}\frac{ 1 }{ (t^3)\sqrt(t^2-1)dt }\]

OpenStudy (anonymous):

so, I know how to do the entire problem, but, when it comes to plugging in the cos(4) and cos(2root2) i get lost.

OpenStudy (anonymous):

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