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Math Help - Please help me check these limit answers (II)

  1. #1
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    Please help me check these limit answers (II)

    1. \lim_{x\to{\frac{\pi}{4}}} e^{tanx} = e

    2. \lim_{x\to0}\frac{1-cos2x}{5sinx}=0

    3. \lim_{x\to\infty} (1+\frac{1}{x})^{2x}=e^2
    Last edited by mr fantastic; May 10th 2010 at 03:48 AM. Reason: Edited post title.
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  2. #2
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    Quote Originally Posted by myngo9191 View Post
    1. \lim_{x\to{\frac{\pi}{4}}} e^{tanx} = e

    2. \lim_{x\to0}\frac{1-cos2x}{5sinx}=0

    3. \lim_{x\to\infty} (1+\frac{1}{x})^{2x}=e^2

    All correct
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