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greysmither
 3 years ago
Which of the following functions is not a sinusoid?
y = sin x
y = cosx
y = sqrt(x)
or They are all sinusoids.
greysmither
 3 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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ChrisV
 3 years ago
Best ResponseYou've already chosen the best response.1sinusoid is a mathematical function that describes a smooth repetitive oscillation

ChrisV
 3 years ago
Best ResponseYou've already chosen the best response.1square root sorta looks like dw:1328887057359:dw

lgbasallote
 3 years ago
Best ResponseYou've already chosen the best response.0basically...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

greysmither
 3 years ago
Best ResponseYou've already chosen the best response.0OH! I get it now. Thank you guys :) Esp. the drawings, they were very helpful

FoolForMath
 3 years ago
Best ResponseYou've already chosen the best response.0Yes, 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/

radar
 3 years ago
Best ResponseYou've already chosen the best response.2The square root drawing only depicts the positive roots, imagine a similar curve on the left (quadrant II)
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