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The value of cot""(7pi)/16 + 2 cos""(3pi...

The value of `cot""(7pi)/16 + 2 cos""(3pi)/8 + cot""(15pi)/16` is

A

4

B

2

C

`-2`

D

`-4`

Text Solution

Verified by Experts

The correct Answer is:
D
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