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WBJEE 2015 Math Solved Paper

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Question : 41

Total: 80

If the point (2 cos θ, 2 sin θ), for θ ∊ (0, 2θ) lies in the region between the lines x + y = 2 and x – y = 2 containing theorigin, then θ lies in

(0,
π
2
) ∪ (
3π
2
,2π)
[0, π]
(
π
2
,
3π
2
)
[
π
4
,
π
2
]

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