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JEE Main 2019
9-01-2019 S1
Question
Let $A=\left\{\theta \in\left(-\frac{\pi}{2}, \pi\right): \frac{3+2 i \sin \theta}{1-2 i \sin \theta}\right.$ is purely imaginary $\}$ Then the sum of the elements in $A$ is
Select the correct option:
A
$\frac{5 \pi}{6}$
B
$\pi$
C
$\frac{3 \pi}{4}$
D
$\frac{2 \pi}{3}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Mathematics
Medium
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