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If theta is an acute angle and sin((thet...

If `theta` is an acute angle and `sin((theta)/(2))=sqrt((x-1)/(2x))` ,then `tan theta` is equal to

A

`x ^(2)-1`

B

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

C

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

D

`x^(2) +1`

Text Solution

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The correct Answer is:
B
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