50 points
what is the general solution to the equation?
2 cos^2 x - 5 cos x...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 12.12.2019 18:31, ImHotRacerYT
50 points
what is the general solution to the equation?
2 cos^2 x - 5 cos x - 3 = 0
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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