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$\dfrac{\displaystyle\sum_{k=1}^{44}\cos{k^{\circ}}}{\displaystyle\sum_{k=1}^{44}\sin{k^{\circ}}}-\dfrac{\displaystyle\sum_{k=1}^{44}\sin{k^{\circ}}}{\displaystyle\sum_{k=1}^{44}\cos{k^{\circ}}}=\ ?$

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