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

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

A

4

B

2

C

-2

D

-4

Text Solution

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The correct Answer is:
D
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