zwoodrow Messages 34 Reaction score 0 Thread starter Jul 21, 2010 #1 if f(t) has period T then f(kt) has a period T/k. What is a simple proof of this.
Office_Shredder Staff Emeritus Science Advisor Gold Member Messages 5,706 Reaction score 1,592 Jul 21, 2010 #2 Why don't you just see what f(k(t+T/k)) is?