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If A and B are acute angles such that `2 cos A*cot B-2cos A-cot B+1=0, "then" : (A,B)-=`A)`(45^(@),60^(@))` B)`(60^(@),45^(@))` C)`(30^(@),60^(@))` D)`(45^(@),30^(@))`

A

`(45^(@),60^(@))`

B

`(60^(@),45^(@))`

C

`(30^(@),60^(@))`

D

`(45^(@),30^(@))`

Text Solution

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The correct Answer is:
B
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