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If A + B = 45^@, then (cot A-1) (cot B-1...

If `A + B = 45^@`, then `(cot A-1) (cot B-1)` is equal to

A

1

B

2

C

4

D

3

Text Solution

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The correct Answer is:
B
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ARIHANT PUBLICATION JHARKHAND-TRIGONOMETRIC IDENTITIES-EXAM BOOSTER FOR CRACKING EXAM
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