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JEE Advance 2009
Paper-2
Multiple correct answers - Select all that apply
Question
For $0<\theta<\frac{\pi}{2}$, the solution(s) of $\sum_{\mathrm{m}=1}^6 \operatorname{cosec}\left(\theta+\frac{(\mathrm{m}-1) \pi}{4}\right) \operatorname{cosec}\left(\theta+\frac{\mathrm{m} \pi}{4}\right)=4 \sqrt{2}$ is(are)
Select ALL correct options:
A
$\frac{\pi}{4}$
B
$\frac{\pi}{6}$
C
$\frac{\pi}{12}$
D
$\frac{5 \pi}{12}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
⚠ Partially correct. Some answers are missing.
Solution
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