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Math Help - Extra Credit Problem I dont understand at all!

  1. #1
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    Extra Credit Problem I dont understand at all!

    All it says is to rewrite the equation with only sine and cosine. then the equation is:

    sin3x+cos3x


    i dont know what it means or what to do. thanks for any help!
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  2. #2
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    Re: Extra Credit Problem I dont understand at all!

    Quote Originally Posted by ccfoose View Post
    All it says is to rewrite the equation with only sine and cosine. then the equation is:

    sin3x+cos3x


    i dont know what it means or what to do. thanks for any help!
    Extra credit is meant to be your OWN work. See rule #6: http://www.mathhelpforum.com/math-he...hp?do=vsarules.

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