Cosine of a Cubic Polynomial

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Plot of . In general, the larger the argument of a trigonometric function, the faster the function will oscillate. Near zeros of the derivative of the argument, the argument does not change much and the trigonometric function will have smaller variations.

Contributed by: Michael Trott (March 2011)
Open content licensed under CC BY-NC-SA



, , — coefficients of the linear, quadratic, and cubic terms

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