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Statement-I : If xn=cos(pi//2^n)+isi...

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`

A

only I is true

B

only II is true

C

both I and II are true

D

neither I nor II true

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