AP EAMCET Engineering 23 Apr 2019 Shift 1 Paper

Section: Mathematics

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Question : 25 of 160

Marks: +1, -0

If -

π

2

< θ <

π

2

, then log (tan(

π

4

+

θ

2

)) =

tanh−1(tan
θ
2
)
2 tanh−1(tan
θ
2
)
coth−1(tan
θ
2
)
2 coth−1(tan
θ
2
)

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