If \( \frac{\tan ^{3} \theta-1}{\tan \theta-1}=A \sec ^{2} \theta+B \tan \theta \), then \( A+B=...
If \( \frac{\tan ^{3} \theta-1}{\tan \theta-1}=A \sec ^{2} \theta+B \tan \theta \), then \( A+B= \)
(W)
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