cot 41^(@).cot42^(@).cot43^(@).cot44^(@)...

`cot 41^(@).cot42^(@).cot43^(@).cot44^(@).cot45^(@).cot46^(@).cot47^(@).cot48^(@).cot49^(@)` का मान कितना होगा ?

A

1

B

0

C

`(sqrt(3))/(2)`

D

`(1)/(sqrt(2))`

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

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