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Simplify each of the following: \(\frac{\operatorname{cosec}\left(90^{\circ}+\theta\right)+\cot \left(450^{\circ}+\theta\right)}{\operatorname{cosec}\left(450^{\circ}-\theta\right)-\tan \left(180^{\circ}+\theta\right)}\) \(+\frac{\tan \left(180^{\circ}+\theta\right)+\sec \left(180^{\circ}-\theta\right)}{\tan \left(360^{\circ}+\theta\right)-\sec (-\theta)}\)
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