1.

The sum to infinite terms of the series cosec−1√10+cosec−1√50+cosec−1√170+......+cosec−1√(n2+1)(n2+2n+2) is

Answer»

The sum to infinite terms of the series cosec110+cosec150+cosec1170+......+cosec1(n2+1)(n2+2n+2) is



Discussion

No Comment Found