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-   -   Precal Factoring problem (https://www.askmehelpdesk.com/showthread.php?t=540694)

  • Jan 4, 2011, 08:51 PM
    norrisaurus
    Precal Factoring problem
    2cos^2(x)+7cos(x)+4=0
  • Jan 5, 2011, 03:36 PM
    ebaines

    You can apply the quadratic equation to find values of cos(x) that satisfy this.

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