TS EAMCET · Maths · Properties of Triangles
In a triangle \(\mathrm{ABC}\), if \(\frac{r}{r_1}=\frac{1}{2}\), then 4 \[ \tan \frac{\mathrm{A}}{2}\left(\tan \frac{\mathrm{B}}{2}+\tan \frac{\mathrm{C}}{2}\right)= \]
- A 1
- B 2
- C 3
- D 4
Answer & Solution
Correct Answer
(B) 2
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