Use a Sum or Difference Identity to Find the Exact $\tan \left( - \frac { 5 \pi } { 12 } \right)$

question 210

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\tan \left( - \frac { 5 \pi } { 12 } \right)$

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

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Definitions:

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