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If tan 69^(@) + tan 66^@ - tan 69^(@) t...

If ` tan 69^(@) + tan 66^@ - tan 69^(@) tan66^@=2k` , then the value of k is

A

-1

B

1

C

`(1)/(sqrt(3))`

D

`(1)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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