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Use a Sum or Difference Identity to Find the Exact $\tan 345 ^ { \circ }$

Question 387

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\tan 345 ^ { \circ }$

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

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