IIT JEE Advanced 2009 Paper 2

Section: Mathematics

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Question : 45 of 57

Marks: +1, -0

For 0 < θ <

π

2

, the solution(s) of

6

Σ

m=1

cosec(θ+

(m−1)π

4

)cosec(θ+

mπ

4

)

= √2 is (are)

[JEE Adv 2009 P2]

π
4
π
6
π
12
5π
12

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