Find the Exact Value of the Expression$$\frac { 1 - \tan 80 ^ { \circ } \tan 70 ^ { \circ } } { \tan 80 ^ { \circ } + \tan 70 ^ { \circ } }$$

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The Answer of Find the Exact Value of the Expression$$\frac { 1 - \tan 80 ^ { \circ } \tan 70 ^ { \circ } } { \tan 80 ^ { \circ } + \tan 70 ^ { \circ } }$$

Find the Exact Value of the Expression $\frac { 1 - \tan 80 ^ { \circ } \tan 70 ^ { \circ } } { \tan 80 ^ { \circ } + \tan 70 ^ { \circ } }$

Definitions:

Find the Exact Value of the Expression 1−tan⁡80∘tan⁡70∘tan⁡80∘+tan⁡70∘\frac { 1 - \tan 80 ^ { \circ } \tan 70 ^ { \circ } } { \tan 80 ^ { \circ } + \tan 70 ^ { \circ } }tan80∘+tan70∘1−tan80∘tan70∘​

Definitions:

Find the Exact Value of the Expression $\frac { 1 - \tan 80 ^ { \circ } \tan 70 ^ { \circ } } { \tan 80 ^ { \circ } + \tan 70 ^ { \circ } }$