KCET 2015 Math Solved Paper

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Question : 46 of 60

Marks: +1, -0

If α≤2sin−1x+cos−1x≤β, then

α=−
π
2
β=
π
2
α=−
π
2
β=
3π
2
α=0 β=π
α=0 β=2π

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