Find the exact value of $\sin \left( \frac { 19 \pi } { 6 } \right)$ and $\cos \left( - \frac { 5 \pi } { 6 } \right)$ .

Name: Find the exact value of $\sin \left( \frac { 19 \pi } { 6 } \right)$ and $\cos \left( - \frac { 5 \pi } { 6 } \right)$ .
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The Answer of Find the exact value of $\sin \left( \frac { 19 \pi } { 6 } \right)$ and $\cos \left( - \frac { 5 \pi } { 6 } \right)$ .

Find the Exact Value Of sin⁡(19π6)\sin \left( \frac { 19 \pi } { 6 } \right)sin(619π​)

Find the Exact Value Of $\sin \left( \frac { 19 \pi } { 6 } \right)$