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If theta=pi//4n, then the value of tan(...

If `theta=pi//4n`, then the value of `tan(theta) tan (2theta).....tan(2n-2)thetatan(2n-1)theta` is

A

A) `-1`

B

B) 1

C

C) 0

D

D) 2

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The correct Answer is:
B
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