||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
s = var("s")
t = var("t")
w = var("w")
f = (cos(w*t))^2
F = f.laplace(t,s)
show(F)}}}

/* code_ends */

 * '''Solution by''': 
   * Rachit Jha, Student, IIT Roorkee
   * Arnab Basu, Student, IIT Roorkee
   * Saurabh Agrawal,  Student, IIT Roorkee