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Trigonometry

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Expressed in simplest form,
(n-1/n)/(1+1/n) is equivalent to...

1.)n-1
2.)n+1
3.)n-1/n+1
4.)n

  • Trigonometry - ,

    (n-1/n) / (1+1/n)
    multiply top and bottom by n
    (n^2 - 1)/(n+1)
    = (n+1)(n-1)/(n+1)
    = n -1 , n≠ -1

  • Trigonometry - ,

    N+1

  • Trigonometry - ,

    N-1

  • Trigonometry - ,

    N+1

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