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Math Help - Fundamental Identities

  1. #1
    nee
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    Fundamental Identities

    Factor:

    cot^4x + 3cot^2x + 2
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  2. #2
    A riddle wrapped in an enigma
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    Quote Originally Posted by nee View Post
    Factor:

    cot^4x + 3cot^2x + 2
    Hi nee,

    \cot^4 x+3 \cot^2x +2 is in the form:

    x^4+3x^2+2, which can be factored into:

    (x^2+2)(x^2+1)

    Thus:


    \cot^4 x+3 \cot^2x +2=(\cot^2 x+2)(\cot^2 x+1)
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  3. #3
    nee
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    Thanks!

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