Wave equation {periodic equation} repeats at regular intervals: y = A * sin(a*x + b) or y = A * cos(a*x + b) or y = A * sin(a*x + b) + B * cos(c*x + d), where A is maximum y amplitude, a and b are constants, and x is independent variable. Phase angle is a*x + b. Angle phase shift from 0 is -b/a.
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Date Modified: 2022.0224