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underset(x to pi//2)lim (cot x-cos x)/((...

`underset(x to pi//2)lim (cot x-cos x)/((pi//2-x)^(3))=`

A

0

B

1

C

2

D

`1//2`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • underset(x to pi//2)lim (sec x-tan x)/(pi//2-x)=

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