| / n\ | | |/pi\ | | | n!*sin||--| | | | \\n / / | lim |--------------------------| n->oo| / 1 + n\| | |/ pi \ || |(1 + n)!*sin||-----| || | \\1 + n/ /|
Limit(Abs((factorial(n)*sin((pi/n)^n))/((factorial(1 + n)*sin((pi/(1 + n))^(1 + n))))), n, oo, dir='-')