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If tan A + tan B=p and cot A+ cot B=q th...

If `tan A + tan B=p and cot A+ cot B=q` then ` cot (A+B)=`

A

`(p-q)/(pq)`

B

`(q-p)/(pq)`

C

`(pq)/(p+q)`

D

`(pq)/(p-q)`

Text Solution

Verified by Experts

The correct Answer is:
B
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