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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.

Respuesta :

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.

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