If sinx + cos x = sqrt7/2 where x in 1^(...

If `sinx + cos x = sqrt7/2` where `x in 1^(st)` quadrant , then `tan""(x)/2` is equal to

A

`(3-sqrt(7))/(3)`

B

`(sqrt(7)-2)/(3)`

C

`(4-sqrt(7))/(4)`

D

none of these

Verified by Experts

The correct Answer is:

B

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