Sir can you please explain me how these functions have been made periodic by taking all assumptions. It is given in the image. Especially the making of the functions f1 (t) and g1(t). 
 

Asked by Varsneya Srinivas | 11th Feb, 2017, 08:18: AM

Expert Answer:

Answered by Romal Bhansali | 13th Feb, 2017, 09:29: AM