If \( (1-\tan \theta)(1+\tan \theta) \sec ^{2} \theta+2^{\tan ^{2} \theta}=0 \), then the number...

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If \( (1-\tan \theta)(1+\tan \theta) \sec ^{2} \theta+2^{\tan ^{2} \theta}=0 \), then the number of values of \( \theta \) in the interval \( \left(-\frac{\pi}{2}, \frac{\pi}{2}\right) \) is
(A) 1
(B) 3
(C) 2
(D) 4
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