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

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

A

1

B

2

C

4

D

3

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The correct Answer is:
B
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ARIHANT PUBLICATION BIHAR-TRIGONOMETRIC IDENTITIES-EXAM BOOSTER (FOR CRACKING EXAM)
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