If \( \alpha+\beta=90^{\circ} \) and \( \alpha=\frac{\beta}{2} \) then \( \tan \alpha \cdot \tan...
If \( \alpha+\beta=90^{\circ} \) and \( \alpha=\frac{\beta}{2} \) then \( \tan \alpha \cdot \tan \beta= \)
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