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A,B,C are three angles of a triangle and...

A,B,C are three angles of a triangle and `"sin" (A+c/2)= n "sin" C/2`
`"tan" A/2 "tan" B/2 =`

A

`(n+1)/(n-1)`

B

`(1-n)/(1+n)`

C

`(n-1)/(n+1)`

D

`(1+n)/(1-n)`

Text Solution

Verified by Experts

The correct Answer is:
C
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