JEE Advanced 2020 Full Test 3 Paper 1

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Question : 37 of 54

Marks: +1, -0

If sec(2θ−2α),‌

1

2

cosec2θ,sec(2θ+2α) are in H.P., then:

−‌
π
4
<α<‌
π
4
‌
π
4
<α<‌
3π
4
‌
3π
4
<α<‌
5π
4
‌
5π
4
<α<‌
7π
4

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