Question

In any triangle ABC, tan(C/2)=square root of ……..


1.(s-b)(s-c)/(s^2 - sa)


2.(s-b)(s-c)/b


3.(s-a)(s-b)/(s^2 -sc)


4.(s-c)(s-a)/ca

Answer 1

2).(s-b)(s-c)/b please mark Brainlest answer