In `triangle ABC, sin((A)/(2))sin((C)/(2))=sin((B)/(2))` and '2s' is the perimeter of the triangle.
Channel: Doubtnut
Date: 29/03/2020

In `triangle ABC, sin((A)/(2))sin((C)/(2))=sin((B)/(2))` and '2s' is the perimeter of the triangle. Then the value of s is