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lim(n to oo) [1/(n^2) "sec"^2 1/(n^2) + ...

`lim_(n to oo) [1/(n^2) "sec"^2 1/(n^2) + 2/(n^2) "sec"^(2) 4/(n^2) + …… + 1/n "sec"^(2) 1]` equals :

A

`1/2 "cosec" 1`

B

`1/2 "sec" 1`

C

`1/2 tan 1`

D

`tan 1`

Text Solution

Verified by Experts

The correct Answer is:
C
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