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IF tan ( A-B ) = 1, sec (A +B ) = (2...

IF ` tan ( A-B ) = 1, sec (A +B ) = (2)/(sqrt(3)) `, the smallest positive value of B is

A

`(25)/(24 )pi`

B

`(19)/(24)pi`

C

`(13)/(24)pi`

D

none of these

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The correct Answer is:
D
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