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If cot A=[(sin B)/((1- cos B))], then wh...

If `cot A=[(sin B)/((1- cos B))]`, then what is the value of `cot 2A`?

A

`cot((B)/(2))`

B

cot 2B

C

cot B

D

tan B

Text Solution

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The correct Answer is:
C
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