# Is it possible to integrate this?

1. Oct 31, 2005

Is it possible to integrate $$\int {cos (x^2)} dx$$ ?
If so, which method do I have to use?

Last edited: Oct 31, 2005
2. Oct 31, 2005

### whozum

Not using elementary functions, no.

3. Oct 31, 2005

### mathmike

\!$$\@\(π\/2$$\ FresnelC[\@$$2\/π$$\ x]\)

4. Nov 1, 2005

### Weather Freak

just curious... how would you do it then? is there a way at all?

5. Nov 1, 2005

### whozum

mathmike answered that in a somewhat messy way.