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Math Help - limit of the trigometric function

  1. #1
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    limit of the trigometric function

    okay, so i've spent some time thinking about finding the limits of trigonometric functions when X->0, and you can't substitute the 0 in directly, but i can't seem to figure out the how, exactly, i can do it, please help:

    lim (sec x-1)/(x sec x)
    x->0
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  2. #2
    Math Engineering Student
    Krizalid's Avatar
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    Multiply up & down by \cos x, what do you see?
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