The value of cos 2^2 . cos 2^3 . . . . . . cos 2^10 . sin 2^10 is :

Question

Accepted Answer

Correct answer: C. (c) cos 2^2 . cos 2^3 …. Cos 2^10 . sin 2^10 = sin (2^9 . 2^10 )2^9 . sin 2^10 . sin 2^10 = 12^9

$The value of cos \frac{π}{2 ^{2}} . cos \frac{π}{2 ^{3}} ...... cos \frac{π}{2 ^{10}} . sin \frac{π}{2 ^{10}} is :$