Mathematics, 22.06.2019 14:00, piyonax

Which of the following is a solution to 2cos^2x-cosx-1=0 a.0 b.150 c.180 d.210

Answers: 3

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Which of the following is a solution to 2cos^2x-cosx-1=0 a.0 b.150 c.180 d.210...