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Mathematics 8 Online
OpenStudy (anonymous):

hey, HOW TO INTIGRATE COS(x^2) ? hey, HOW TO INTIGRATE COS(x^2) ? @Mathematics

OpenStudy (jamesj):

There is is no closed form for the integral of cos(x^2) in terms of elementary functions.

OpenStudy (anonymous):

hmmmm... but do u noe how to do it? by parts?

OpenStudy (anonymous):

intigrate by parts

OpenStudy (jamesj):

What I'm saying is that it can't be done. Of course, as a function, \[ F(x) = \int \cos(x^2) \ dx \] makes sense, but there is no way to integrate it and express this without integrals and in terms of elementary functions.

OpenStudy (anonymous):

icicic.. hahahaha.. thanks!

OpenStudy (anonymous):

:)

OpenStudy (wasiqss):

it can be done im gonna show u

OpenStudy (wasiqss):

bt via double angle formula

OpenStudy (wasiqss):

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OpenStudy (wasiqss):

it must b like this to be done

OpenStudy (wasiqss):

check out the ques

OpenStudy (anonymous):

no. pretty sure cos(x^2)

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