Solved

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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