/ pi \ lim |------------| x->1+| 2/pi*x\| |2*cos |----|| \ \ 2 //
Limit(pi/((2*cos((pi*x)/2)^2)), x, 1)
/ pi \ lim |------------| x->1+| 2/pi*x\| |2*cos |----|| \ \ 2 //
oo
= 14516.0910398612
/ pi \ lim |------------| x->1-| 2/pi*x\| |2*cos |----|| \ \ 2 //
oo
= 14516.0910398612
= 14516.0910398612