Question:
The value of
$$
\cos \frac{\pi}{2^{2}} \cdot \cos \frac{\pi}{2^{3}} \cdot \ldots \cdot \cos \frac{\pi}{2^{10}} \cdot \sin \frac{\pi}{2^{10}}
$$
Correct Option: 1
JEE Main Previous Year Jan. 10, 2019 (II)
Solution:
The value of
$$
\cos \frac{\pi}{2^{2}} \cdot \cos \frac{\pi}{2^{3}} \cdot \ldots \cdot \cos \frac{\pi}{2^{10}} \cdot \sin \frac{\pi}{2^{10}}
$$
Correct Option: 1