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Math Help - Find the 10th derivative of y = cos(3x)

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    Find the 10th derivative of y = cos(3x)

    Find the 10th derivative of y = cos(3x)
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  2. #2
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    Quote Originally Posted by superduper1 View Post
    Find the 10th derivative of y = cos(3x)
    Write out the first few, see the pattern, voila. You could write out the 10000th derivative without a sweat.
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    please show me
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    Quote Originally Posted by superduper1 View Post
    please show me
    Really? Am I a helper or a homework-machine?

    Derivative of cos(3x) is -3sin(3x)

    Derivative of that is -9cos(3x)

    ...
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  5. #5
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    Quote Originally Posted by superduper1 View Post
    please show me
    You were told what to do. Please show what you have tried and say where you get stuck.
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