AP and TS EAMCET Engineering 2020 Model Paper 1

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Question : 8 of 160

Marks: +1, -0

The General soluation of

sec‌θ=

Tan−1(1)+Tan−1(2)+Tan−1(3)

Tan−1(1)+Tan−1(

1

2

)+Tan−1(

1

3

)

is

θ=nπ+
π
3
,n∈z
θ=2nπ±
π
3
,n∈z
θ=nπ+
π
6
,n∈z
θ=nπ±
π
4
,n∈z

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