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Math Help - Sine function.

  1. #1
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    Sine function.

    hey . when i look at this function i cant get it . but i try to drawing it to understand it . i drawing it and i understand one thing look at the pic and tell me :

    1) if i totally wrong . and tell me the right answer .

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  2. #2
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    Quote Originally Posted by hpla View Post
    hey . when i look at this function i cant get it . but i try to drawing it to understand it . i drawing it and i understand one thing look at the pic and tell me :

    1) if i totally wrong . and tell me the right answer .

    What is the question? We are not mind readers. Please post the question exactly as it's written from where you got it from.
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  3. #3
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    e^(i*pi)'s Avatar
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    I haven't the foggiest idea what you mean, is it related to Balloon Calculus home page. Easy calculus! Don't integrate - balloontegrate! ?
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  4. #4
    Forum Admin topsquark's Avatar
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    Try a u substitution. Let u = \pi x. Then du = \pi dx \implies dx = \frac{du}{\pi}.

    -Dan
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