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Math Help - algebraically independent

  1. #1
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    algebraically independent

    Hello.... I need to prove the following set is algebraically independent... I donīt have no idea how to do it. Please help me!!

    ${cos(x), cos(\sqrt{2} x), cos(\sqrt{3} x)}$

    regards!
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  2. #2
    Senior Member jakncoke's Avatar
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    Re: algebraically independent

    Algebraically independent over which field ?
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  3. #3
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    Re: algebraically independent

    Over $\mathbb{R}$ I guess. My worksheet doesnīt say it
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