Solved

Use a Sum or Difference Identity to Find the Exact $\tan \frac { 7 \pi } { 12 }$

Question 433

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\tan \frac { 7 \pi } { 12 }$

A) $- 2 - \sqrt { 3 }$
B) $- 1$
C) $- 1 - \frac { \sqrt { 3 } } { 3 }$
D) $- 1 - \sqrt { 3 }$

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