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Find the Exact Value by Using a Half-Angle Identity $\tan 75 ^ { \circ }$

Question 257

Multiple Choice

Find the exact value by using a half-angle identity.
- $\tan 75 ^ { \circ }$

A) $- 2 + \sqrt { 3 }$
B) $2 + \sqrt { 3 }$
C) $- 2 - \sqrt { 3 }$
D) $2 - \sqrt { 3 }$

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