TS EAMCET 19-July-2022 Shift 2 Solved Paper

Section: Mathematics
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Question : 28 of 160
 
Marks: +1, -0
In a triangle ABC, if ‌
r
r1
=‌
1
2
, then 4‌tan‌
A
2
(tan‌
B
2
+tan‌
C
2
)
=
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