trigonometry

Question: If $(\sec \alpha +\tan \alpha )(\sec \beta +\tan \beta )(\sec \gamma +\tan \gamma )=\tan \alpha \tan \beta \tan \gamma $, then $(\sec \alpha -\tan \alpha )(\sec \beta -\tan \beta )$ then $(\sec \gamma -\tan \gamma )=$

1) $\cot \alpha \cot \beta \cot \gamma $

2) $\tan \alpha \tan \beta \tan \gamma $

3) $\cot \alpha +\cot \beta +\cot \gamma $

4) $\tan \alpha +\tan \beta +\tan \gamma $

Solution:

Explanation: No Solution

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