Find the Exact Value Of $\text { Sec } \left( \frac { 3 \pi } { 4 } \right)$

Short Answer

Find the exact value of $\text { Sec } \left( \frac { 3 \pi } { 4 } \right)$ and $\operatorname { CSC } \left( - \frac { 11 \pi } { 4 } \right)$ .