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If 0 lt theta lt (pi)/(2) and sin ""(the...

If `0 lt theta lt (pi)/(2) and sin ""(theta)/(2)=sqrt((x-1)/(2x)),` then the value of `tan theta` is-

A

`sqrt(x^(2)+1)`

B

`sqrt((x+1)/(x+1))`

C

`sqrt(x^(2) -1)`

D

`sqrt((x+1)/(x-1))`

Text Solution

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The correct Answer is:
C
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