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Math Help - Max Value

  1. #1
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    Max Value

    Hi,

    I'm having a bit of trouble with this question. And need some help getting started:

    Given the function: y = 6cos(2pie/14)x - 2

    - Determine the maximum value of this function.
    - determine an expression for the x-values for which this maximum occurs.

    Any help is much appreciated!

    Thanks!

    Jim.
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  2. #2
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    Quote Originally Posted by jimstewart_NC View Post
    Hi,

    I'm having a bit of trouble with this question. And need some help getting started:

    Given the function: y = 6cos(2pie/14)x - 2

    - Determine the maximum value of this function.
    - determine an expression for the x-values for which this maximum occurs.

    Any help is much appreciated!

    Thanks!

    Jim.
    max value of \cos(something) = 1 , where (something) is an even multiple of \pi.
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