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Mathematics, 23.10.2020 20:10 jimmyjimjim

Suppose Sine (x) = four-fifths and cos(x) < 0. What is the value of cos(2x)?


Suppose Sine (x) = four-fifths and cos(x) < 0. What is the value of cos(2x)?

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Suppose Sine (x) = four-fifths and cos(x) < 0. What is the value of cos(2x)?
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