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Math Help - Damping Effect Equation

  1. #1
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    Damping Effect Equation

    Need some help differeniating this equation.

    f(t) = 5e-0.8t sin(2πt 3)

    I know i have to use the product rule for it and that 5e-0.8t will differentiate to 4e-0.8t correct?

    sin(x) differentiates to cos(x) but not sure where to go from there.

    Many thanks

    Js
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  2. #2
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    No one have any idea.....?
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  3. #3
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    ?

    is this for Tony Watkins assignment?
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  4. #4
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    yep
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