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Which of the following functions is not a sinusoid? y = sin x y= Sqrtx y = cos x None of the above are sinusoids.
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Which of the following functions is not a sinusoid?

y = sin x


y= Sqrtx


y = cos x


None of the above are sinusoids.

User Rodney G
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1 Answer

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A sinusoid is cyclical and has a period or frequency.

y = sin x is a sinusoid, with a period of 2π.
y = √x is not a sinusoid.
y = cos x is a sinusoid with a period of 2π.

Answer: y = √x is not a sinusoid.
User Glts
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