यदि (cot A cot B+ 1)/(cot B - cot A) = x...

यदि `(cot A cot B+ 1)/(cot B - cot A) = x`, तो x का क्या मान है ?

A

`cot(A + B)`

B

`cot (A - B)`

C

`tan(A - B)`

D

`tan (A + B)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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