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If x= tan A - tan B , y= cot B- cot A "...

If ` x= tan A - tan B , y= cot B- cot A " then " (1)/(x)+(1)/(y)=`

A

Cot (A - B)

B

Cot (B - A)

C

Tan (A - B)

D

Tan (B - A)

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-COMPOUND ANGLES-EXERCISE - II
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