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Math Help - one sided limit

  1. #1
    Junior Member
    Joined
    Sep 2008
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    30

    one sided limit

    Find lim as x -> 0+ (x)/(cosx)

    If I plug in a really smaller number,
    .001/cos(.001)

    The top gets smaller and bottom goes to 1 so the answer is 0?
    Is that correct? Anyone know anyway to prove it?

    One more problem..

    Find lim x -> 0+ (cosx)^[(1/(x^2)]

    Much appreciation
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  2. #2
    Member
    Joined
    Oct 2008
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    93
    Right on you got it (:

    And you did prove it

    proof by substitution
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