# Amazing Trigonometry_2

Geometry Level 3

If $$A+B+C=\pi$$ and $$\cos { A } =\cos { \theta } \sin { \phi }$$, $$\cos { B } =\cos { \phi } \sin { \Psi }$$, $$\cos { C } =\cos { \Psi } \sin { \theta }$$, then find the value of $$\tan { \theta } \tan { \phi } \tan { \Psi }$$.

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