\[ \int_{-\pi / 2}^{\pi / 2} \log \left(\frac{2-\sin \theta}{2+\sin \theta}\right) d \theta= \] ...

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\[
\int_{-\pi / 2}^{\pi / 2} \log \left(\frac{2-\sin \theta}{2+\sin \theta}\right) d \theta=
\]
(a) 1
(b) 2
(c) \( \frac{\pi}{4} \)
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