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

/* code_begins */

{{{
#Plotting the function
#It can be seen from the figure that function is neither even nor odd in the given interval
x=var('x')
f1=function('f1',x)
f1=(cos(x))^2
f2=function('f2',x)
f2=(sin(x))^2
f1.plot(xmin=-pi,xmax=0)+f2.plot(xmin=0,xmax=pi)
}}}

/* code_ends */

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