If `x_r=cos(pi/(2^r))+isin(pi/(2^r))` then `x_1,x_2,x_3,.....oo`

If x_r=cos(pi/2^r)+isin(pi/2^r) then x_1x_2x_3.......infty =

If x_n=cos(pi/(2^n))+isin(pi/(2^n)) , prove that x_1x_2x_3........... x_oo=-1.

If x_n=cos(pi/2^n)+isin(pi/2^n) , then x1 x2 x3......infinity

If x_r = cos(pi/3^r)+isin (pi/3^r) : prove that x_1x_2x_3 ....upto infinity=i

If Z_r =cos ((pi)/(2^r))+isin((pi)/(2^r)) then Z_(1).Z_(2).Z_(3)"…….." upto oo equals

If X_(n)="cos"(pi)/(2^(n))+"isin"(pi)/(2^(n)) , then x_(1), x_(2), x_(3)....oo

Statement-I : If x_n=cos(pi//2^n)+isin (pi//2^n) then x_1.x_2.x_3…..=-1 Statement-II : x_n=cos(pi//4^n)+isin(pi//4^n) then x_1.x_2.x_3…..infty=-1