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Find the Exact Value of the Expression tan⁡70∘−tan⁡(−50∘)1+tan⁡70∘tan⁡(−50∘)\frac { \tan 70 ^ { \circ } - \tan \left( - 50 ^ { \circ } \right) } { 1 + \tan 70 ^ { \circ } \tan \left( - 50 ^ { \circ } \right) }

Question 336

Multiple Choice

Find the exact value of the expression.
- tan⁡70∘−tan⁡(−50∘) 1+tan⁡70∘tan⁡(−50∘) \frac { \tan 70 ^ { \circ } - \tan \left( - 50 ^ { \circ } \right) } { 1 + \tan 70 ^ { \circ } \tan \left( - 50 ^ { \circ } \right) }


A) −2- 2
B) −33- \frac { \sqrt { 3 } } { 3 }
C) −12- \frac { 1 } { 2 }
D) −3- \sqrt { 3 }

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