Answer :
In the present situation, the equation that best suits the sinusoidal function is given as:
(C) y = -12cos(1/12x)+ 12.
What is the meaning of a sinusoidal function?
A sinusoidal function is a function which oscillates smoothly, on a periodic basis, between high and low values. It is a sine-based function. Such a type of function is known as a sinusoidal function.
The cosine function, on the other hand, is just a horizontal shift of the sine function, can be used as a foundation for the sinusoidal functions.
A mathematical curve also called as the sine wave, a sinusoidal wave or simply a sinusoid, can be described in terms of sine-trigonometric function, whose graph it is. It is a particularly a continuous wave or a smooth periodic function.
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