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tan 6^@ . Tan 42^@. Tan 66^@ . Tan 78^@...

`tan 6^@ . Tan 42^@. Tan 66^@ . Tan 78^@ ` is

A

1

B

`-1`

C

`2`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
A
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