\left. \begin{array} { l } { \operatorname { con } 315 ^ { \circ } \cdot \cos 180 ^ { \circ } \cdot \sin 135 ^ { \circ } } \\ { \sin ( \frac { - 5 \pi } { 6 } ) \cdot \cos ( \frac { - 5 \pi } { 4 } ) } \\ { \operatorname { an } 45 ^ { \circ } \cdot \cos 0 ^ { \circ } \cdot \sin 45 ^ { \circ } } \\ { - \sin 30 \cdot - \cos 45 } \end{array} \right.
Evaluate
-\frac{\sqrt{2}cn_{315}o}{2},\ -\sin(\frac{5\pi }{6})\cos(\frac{5\pi }{4}),\ \frac{\sqrt{2}an_{45}}{2},\ \frac{\sqrt{2}}{4}
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