Ts Eamcet
Properties Of Triangles
TS EAMCET 2022 (Online) 19th July Evening Shift
MCQ+1 / -02022
In a $\triangle A B C$, if $\frac{r}{r_1}=\frac{1}{2}$, then $4 \tan \frac{A}{2}\left(\tan \frac{B}{2}+\tan \frac{C}{2}\right)=$
Ts Eamcet
TS EAMCET 2022 (Online) 19th July Evening Shift
In a $\triangle A B C$, if $\frac{r}{r_1}=\frac{1}{2}$, then $4 \tan \frac{A}{2}\left(\tan \frac{B}{2}+\tan \frac{C}{2}\right)=$