R rahulpaley New Member Joined Jun 10, 2009 Messages 4 Gender Male HSC 2010 Jun 10, 2009 #1 ok my problem is this. I need to know how youintegrate cos^2(x/4) That is cos squared times x/4
Uncle Banned Joined Feb 5, 2009 Messages 3,265 Location Retirement Village of Alaska Gender Male HSC 2007 Jun 10, 2009 #2 rahulpaley said: ok my problem is this. I need to know how youintegrate cos^2(x/4) That is cos squared times x/4 Click to expand... cos of what? cos2(#)*(x/4) ? cos2(x/4) ? If there was something in '#' this problem requires integration by parts which is in Extension 2.
rahulpaley said: ok my problem is this. I need to know how youintegrate cos^2(x/4) That is cos squared times x/4 Click to expand... cos of what? cos2(#)*(x/4) ? cos2(x/4) ? If there was something in '#' this problem requires integration by parts which is in Extension 2.
R rahulpaley New Member Joined Jun 10, 2009 Messages 4 Gender Male HSC 2010 Jun 10, 2009 #3 yeah cos<SUP>2</SUP>x/4
Trebla Administrator Administrator Joined Feb 16, 2005 Messages 8,384 Gender Male HSC 2006 Jun 10, 2009 #4 This uses an Ext1 method: cos (x/2) = 2cos2(x/4) - 1 Make cos2(x/4) the subject and integrate...