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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

0

B

2

C

1

D

4

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES -CRITICAL THINKING
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