Q. $lim_{x \to π /2} \frac{co t x - cos x}{( π - 2 x ) ^{3}}$ equals

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A

$\frac{1}{16}$

63%

B

$\frac{1}{8}$

17%

C

$\frac{1}{4}$

15%

D

$\frac{π}{2}$

4%

Solution:

Correct answer is (a) $\frac{1}{16}$