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

Answers: 1

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