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[" If "x(n)=cos(pi/4)+i sin(pi/4^(n))],[...

[" If "x_(n)=cos(pi/4)+i sin(pi/4^(n))],[" then "x_(1)x_(2)x-...oo]

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If x_(n)=cos((pi)/(4^(n)))+i sin((pi)/(4^(n))), then x_(1)*x_(2),x_(3)...............oo

If x_(n)=cos((pi)/(4^(n)))+i sin ((pi)/(4^(n))) , then x_(1), x_(2), x_(3)....oo is equal to

If x_(n)=cos(pi)/(2^(n))+i sin(pi)/(2^(n)), prove that x_(1)x_(2)x_(3)x_(oo)=-1

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

If x_(r)=cos((pi)/(2^(r)))+i sin((pi)/(2^(r))) 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