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Trig

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cos2x(2cosx+1)=0

Solve for x.

  • Trig -

    Please.

  • Trig -

    (2cos^2x-1)(2cosx+1)=0
    ^
    [Double angle identity]

    Now I'm stuck.

  • Trig -

    hey ted did you ever figure that out because if so tell me tell me now plz i need this very much

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