# A calculus problem by ashwin korade

**Calculus**Level pending

If \( \cos A = \sin B = - \frac{1}{3} \) and \( \frac{\pi}{2} < A < \pi \), \( \pi < B < \frac{3\pi}{2} \), find (to 3 decimal places)

\[ \frac{ \tan A + \tan B}{\tan A - \tan B }. \]

If \( \cos A = \sin B = - \frac{1}{3} \) and \( \frac{\pi}{2} < A < \pi \), \( \pi < B < \frac{3\pi}{2} \), find (to 3 decimal places)

\[ \frac{ \tan A + \tan B}{\tan A - \tan B }. \]

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