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Math Help - Differentiate expression

  1. #1
    Newbie
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    Feb 2008
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    Differentiate expression

    Hi all,

    I need to differentiate this expression twice to find a new expression when t = 0.6


    y = 3sin (5 pi t)

    t = 0.6

    (pi = 3.14)

    Any help appreciated.
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  2. #2
    MHF Contributor
    Joined
    Apr 2008
    Posts
    1,092
    Quote Originally Posted by astrostar View Post
    Hi all,

    I need to differentiate this expression twice to find a new expression when t = 0.6


    y = 3sin (5 pi t)

    t = 0.6

    (pi = 3.14)

    Any help appreciated.
    \frac{dy}{dx} = 15\pi \cos{(5\pi t)}

    \frac{d^2y}{dx^2} =  -75\pi ^2 \sin{(5\pi t)}
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