THANK YOU VERY MUCH FOR YOUR VIDEO. IT IS VERY CLEAR AND INSIGHTFUL. *HOWEVER* UNFORTUNATELY THE FINAL FORMULA *DOES NOT* RENDER THE GRAPH OF THE PIECEWISE FUNCTION IN DESMOS. I HAVE USED DESMOS MANY TIMES, AND IN PROVING FINAL SIGMA FORMULAS, IT ALWAYS HAS RENDERED THE NICE PERIODIC GRAPHS. JUST THE SAME I THANK YOU VERY MUCH!!!!!!!!
@@sroydetroy6404 literally it's moving 1/2 inside or out, nothing changes, up to choice. If in an exam do it the way the professor did show you. In some books it's one way in others the other way. I remember that one comes from residue and one is solving through trigonometric calculations, I don't remember the details I don't remember anything after I pass a class lol But result is the same do it doesn't really matter
