Find the exact value. $\sin \left( \frac { - 5 \pi } { 4 } \right)$
A) $- \sqrt { 2 }$
B) $\frac { \sqrt { 2 } } { 2 }$
C) $\frac { \sqrt { 3 } } { 2 }$
D) $\sqrt { 2 }$
E) $\frac { \sqrt { 3 } } { 3 }$

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The Answer of Find the exact value. $\sin \left( \frac { - 5 \pi } { 4 } \right)$
A) $- \sqrt { 2 }$
B) $\frac { \sqrt { 2 } } { 2 }$
C) $\frac { \sqrt { 3 } } { 2 }$
D) $\sqrt { 2 }$
E) $\frac { \sqrt { 3 } } { 3 }$

Find the Exact Value sin⁡(−5π4)\sin \left( \frac { - 5 \pi } { 4 } \right)sin(4−5π​)

Find the Exact Value $\sin \left( \frac { - 5 \pi } { 4 } \right)$