Hey All,

sorry for the over flow of questions today. got exam very soon..:(

I need some help in the following question :

thanks

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- May 2nd 2007, 10:14 AMdadonreduction formula
Hey All,

sorry for the over flow of questions today. got exam very soon..:(

I need some help in the following question :

thanks - May 2nd 2007, 10:16 AMdadon
what I don't get is how would I apply the integration by parts to cos^nxdx ??

what is u and dv? - May 2nd 2007, 11:19 AMThePerfectHacker
Differenciate both sides.

And use the fact that the derivative of I_n is cos^n x - May 2nd 2007, 11:24 AMdadon
how would I differentiate both sides :confused:

- May 2nd 2007, 11:56 AMPlato
I don’t think that differentiation is the way to proceed with it.

Here is as pdf file that I wrote with EXP and Acrobat distiller.

I used parts.