Evaluate :
`underset(n to oo)lim (1)/(n)[sin (pi/(2n))+sin((2pi)/(2n))+sin((3pi)/(2n))+…+ sin((npi)/(2n))]`

Evaluate: underset(n rarr infty)lim 1/n[sin (pi/(2n)) +sin((2pi)/(2n))+sin ((3pi)/(2n))+......+sin((npi)/(2n))]

Evaluate : underset(n to oo)lim(1)/(n)["tan"(pi)/(4n)+"tan"(2pi)/(4n)+"tan"(3pi)/(4n)+…+ "tan"(npi)/(4n)]

underset(n to oo)lim 1/n [ tan pi/(4n) + tan (2pi)/(4n) + tan (3pi)/(4n) + …. + tan(npi)/(4n)] =

Compute underset(n rarr oo)("lim")(pi)/(n)| "sin"(pi)/(n) + "sin"(2pi)/(n)+ ….+ "sin"((n-1)pi)/(n)|

Evaluate lim_(nrarroo)(2)/(n)(sin.(pi)/(2n)+sin.(2pi)/(2n)+sin.(3pi)/(2n)+....+sin.(npi)/(2n))

Evaluate lim_(nrarroo)(2)/(n)(sin.(pi)/(2n)+sin.(2pi)/(2n)+sin.(3pi)/(2n)+....+sin.(npi)/(2n))

Evaluate lim_(ntooo)(1)/(n)[sin^(2k).(pi)/(2n)+sin^(2k).(2pi)/(2n)+....+sin^(2k).(pi)/(2)]

lim_(n rarr oo) 1/n[sin(pi/(2n))+sin(pi/n)+sin((3pi)/2n)+........+sin(pi/2)] =

Lt_(ntooo)(1)/(n){sin^(2)""(pi)/(2n)+sin^(2)""(2pi)/(2n)+..........+sin^(2)""(npi)/(2n)}