tan 9^(@) - tan 63^(@) + cot 27^(@) - co...

`tan 9^(@) - tan 63^(@) + cot 27^(@) - cot 81^(@)` का मान है

A

0

B

1

C

`(sqrt(3)+1)/(3sqrt(2))`

D

`(sqrt(3)-1)/(2 sqrt(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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