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Math Help - extreme values

  1. #1
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    extreme values

    Hello!

    How can I find out the min and max for sin 3x + sin 5x?

    thank you!
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  2. #2
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    Re: extreme values

    Quote Originally Posted by ely_en View Post
    How can I find out the min and max for sin 3x + sin 5x?
    If a\ne 0 then the min & max of \sin(ax) are the same as for \sin(x)~.
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