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24·sin(70°) - 96·sin(70°)·[ cos(70°) ]^2 = 96·sin(10°)·sin(70°)·sin(130°)
24·sin(70°) - 96·sin(70°)·[ cos(70°) ]^2 = 96·sin(10°)·sin(70°)·sin(130°)
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