Find the Exact Value $\sec \frac { 13 \pi } { 4 }$

question 20

Multiple Choice

Find the exact value. Do not use a calculator.
- $\sec \frac { 13 \pi } { 4 }$

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

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