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(cot^2 15^@-1)/(cot^2 15^@+1)=...

`(cot^2 15^@-1)/(cot^2 15^@+1)=`

A

`1/2`

B

`(sqrt3)/(2)`

C

`(3 sqrt3)/(4)`

D

`sqrt3`

Text Solution

Verified by Experts

The correct Answer is:
B
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