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Mathematics, 13.02.2021 01:00 dexterwilliams161

Cos(2 cos (2teta) if tan teta =  - 4 \div3 and  \costeta \lessthan \: 0
) is fon 8=-4/3 and Cos 030​

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Cos(2
) is fon 8=-4/3 and Cos 030​...
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