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Math Help - Sums of Sine Waves

  1. #1
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    Question Sums of Sine Waves

    Consider functions of the form h(x) = f(x)+g(x), where f and g are sine and/or cosine functions with the same amplitude. How do the periods of g and g determine the period of h?



    I have to draw a conclusion about the relationship between the period of h(x) = f(x)+g(x) and the periods of f and g. The only thing I can figure out is that the period of a sine function is \frac{2\pi}{c} when f(x)=sin(cx).
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  2. #2
    Member pflo's Avatar
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    It is the least common multiple.
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