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Limit x--->0 (e^x - e^-x)/(cos x - 1)?

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  1. The answer is 0/0, so you must use L'Hopital's Rule

    Your differentiate the top line and you differentiate the bottom line and apply the limit again.

    I make if 1


  2. the answer comes out to be 0/0, which is underfined. You can use L'hopital rule to solve it further, but I kinda forgot it :P

    Try googling it up
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