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Mathematics
cos2(π/12)cos2(π/4)cos2(5π/12)
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Q. $cos^2\frac{\pi}{12}cos^2\frac{\pi}{4}cos^2\frac{5\pi}{12} $
A
$\frac{3}{2}$
B
$\frac{3-\sqrt{3}}{2}$
C
$\frac{2}{3}$
D
$\frac{2}{3+\sqrt{3}}$
Solution:
Correct answer is (b) $\frac{3-\sqrt{3}}{2}$