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Precalculus

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Simplify:[(cscx-cotx)(cscx+cotx)]/cscx

  • Precalculus - ,

    [(cscx-cotx)(cscx+cotx)]/cscx

    expand

    = (csc^2 x - cot^2 x)/csc x

    = (1 + cot^2 x - cot^2 x)/csc x
    = 1/csc x
    = sin x

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