Alright all im stuck on this integration by reduction question;
Sin^(2n) Show that
and hence
Sorry my latex isnt so good at the moment.
Help is appricated. Thanks!
I assume you mean
There are two ways to do this.
First method
Write the integral as for
Use integration by parts.
and
This gives
Use the pythagorean Identity from here and you are done
The 2nd is to use complex variables. If you want to see it this way I can show you that as well.