Mathematics, 21.07.2020 06:01, ladnerhailey16
Cos(2α+β), if cot β=-12/5, cos 2α=1/4, pie<2β<2π, 3π/4 <α< π
Answers: 1
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Cos(2α+β), if cot β=-12/5, cos 2α=1/4, pie<2β<2π, 3π/4 <α< π...
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