TS EAMCET 14-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 24 of 160

Marks: +1, -0

In Δ ABC if ∠C=

π

2

then Tan−1(

a

b+c

)+Tan−1(

b

c+a

)+Tan−1(

c

a+b

)=

Tan−1(
r3
r
)
Tan−1(
r1+r2
r3
)
Tan−1(
1
r
)
Tan−1(
r1+r2+r3
r
)

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