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Mathematics, 08.01.2021 18:20 YbnNahmir

Find Sin beta equal -15/17 find cos 2beta A) 240/161
B)-161/289
C)-161/289
D)-240/289

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Find Sin beta equal -15/17 find cos 2beta A) 240/161
B)-161/289
C)-161/289
D)-240...

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