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Math Help - [SOLVED] Transformation of graph question.

  1. #1
    Penguin Poacher
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    [SOLVED] Transformation of graph question.

    I am supposed to figure out which each of the variables in:
    y = A sin[B(x-c)] + D and
    y = A cos[B(x-c)] + D
    I am supposed to figure out what effect the variables have on the equation.
    I was told there is a slight difference in the effect on cos and sin. I have been graphing things on the calc but having hard time figuring it out.
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  2. #2
    Site Founder MathGuru's Avatar
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    Lightbulb Variables affect sin and cos

    The best way to see this is to use a graphing calculator and change the values.

    A will affect the amplitude of the wave.
    B will affect the frequency of the wave.
    C will shift the wave horizontally
    D will shift the wave vertically.

    Experiment with it and you will see what I mean.

    good luck
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  3. #3
    Site Founder MathGuru's Avatar
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    There should be no difference between how the variables affect sin and cos. In fact sin is just a horizontal shift of cos and vice versa.
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