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greysmither

  • 4 years ago

Which of the following functions is not a sinusoid? y = sin x y = cosx y = sqrt(x) or They are all sinusoids.

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  1. ChrisV
    • 4 years ago
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    y = sqrt(x)

  2. lgbasallote
    • 4 years ago
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    sqrtx...yes

  3. ChrisV
    • 4 years ago
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    sinusoid is a mathematical function that describes a smooth repetitive oscillation

  4. ChrisV
    • 4 years ago
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    |dw:1328886921316:dw|

  5. ChrisV
    • 4 years ago
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    square root sorta looks like |dw:1328887057359:dw|

  6. lgbasallote
    • 4 years ago
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    basically...imagine a DNA but only a single helix =))))))...anyway...obviously sinxis a SINusoid...cosine is just a vertical graph of sinx so both are sinusoid

  7. greysmither
    • 4 years ago
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    OH! I get it now. Thank you guys :) Esp. the drawings, they were very helpful

  8. FoolForMath
    • 4 years ago
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    Yes, if you see the graph of \( y=\sqrt{x} \) it's easy to note that it's not a sinusoid. you could use this site : http://www.wolframalpha.com/

  9. radar
    • 4 years ago
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    The square root drawing only depicts the positive roots, imagine a similar curve on the left (quadrant II)

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