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Mathematics 12 Online
OpenStudy (anonymous):

Which of the following is a sinusoid? A. y = |x| B. y = 2x C. y2 + x2 = 9 D. y = 2sin x

OpenStudy (anonymous):

D

Directrix (directrix):

D) A sine wave, or sinusoid, is the graph of the sine function in trigonometry. A sinusoid is the name given to any curve that can be written in the form (A and B are positive). Sinusoids are considered to be the general form of the sine function.

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