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(1 - Sin[θ] - Cos[θ])/(1 - Sin[θ] + Cos[θ]) + (1 + Sin[θ] + Cos[θ])/(1 + Sin[θ] - Cos[θ])
(1 - Sin[θ] - Cos[θ])/(1 - Sin[θ] + Cos[θ]) + (1 + Sin[θ] + Cos[θ])/(1 + Sin[θ] - Cos[θ])
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