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Math Help - trigonometric limit

  1. #1
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    please help !

    Find the trigonometric limit: lim (as x approaches infinity) (x-tan 2x)/sin 2x
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by bobby77
    Find the trigonometric limit: lim (as x approaches infinity) (x-tan 2x)/sin 2x
    Are you sure you have this right? What you have written does not have
    a limit as x tends to infinity.

    RonL
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  3. #3
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    Hi,
    do you mean maybe:
    lim(as x approaches zero)(x-tan2x)/(sin(2x)) ???

    If so
    \lim_\subc{x \rightarrow 0} {\frac{x-\tan{2x}}{\sin{2x}} =-\frac{1}{2}
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