(Cot[t]^2 (2 - 2 Sin[t])^2 (1 + 2 Sin[t]))/(1 + Csc[t] - 2 Sin[t])^3(Cot[t]^2 (2 - 2 Sin[t])^2 (1 + 2 Sin[t]))/(1 + Csc[t] - 2 Sin[t])^3

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