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If tan theta+sec theta=sqrt(3), 0 lt the...

If `tan theta+sec theta=sqrt(3), 0 lt theta lt pi`, then `theta` is equal to or least positive value of `theta` is

A

`(pi)/(3)`

B

`(pi)/(6)`

C

`(2 pi)/(3)`

D

`(5 pi)/(6)`

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