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S=sum(r=1)^(4)tan^(2)(2r-1)(pi)/(16) is ...

`S=sum_(r=1)^(4)tan^(2)(2r-1)(pi)/(16)` is an integer divisible by

A

2

B

3

C

5

D

7

Text Solution

Verified by Experts

The correct Answer is:
A, D
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