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Math Help - Limit question

  1. #1
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    Limit question

    Evaluate lim x -> 0 csc^2 x
    my answer key says the answer is infinity but i have no clue what steps to take to find that answer.
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by shiel8 View Post
    Evaluate lim x -> 0 csc^2 x
    my answer key says the answer is infinity but i have no clue what steps to take to find that answer.
    Hint: \csc^2x=\frac{1}{\sin^2x}

    What happens to this as x\to0?
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