/ 2/x\ \ | tan |-| | | \2/ | lim |---------| pi \-pi + 2*x/ x->--+ 2
Limit(tan(x/2)^2/(-pi + 2*x), x, pi/2)
/ 2/x\ \ | tan |-| | | \2/ | lim |---------| pi \-pi + 2*x/ x->--+ 2
oo
= 76.5066592592766
/ 2/x\ \ | tan |-| | | \2/ | lim |---------| pi \-pi + 2*x/ x->--- 2
-oo
= -74.5065861611103
= -74.5065861611103