Hello!

Could someone help me with:

?

I think it should be how to get rid of trigonometrics...

Many thanks!!!

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- February 5th 2013, 06:35 AMBoointegral of x/cos^2x dx
Hello!

Could someone help me with:

?

I think it should be how to get rid of trigonometrics...

Many thanks!!! - February 5th 2013, 07:31 AMProve ItRe: integral of x/cos^2x dx