👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on ...

The word phase has a clear definition for pure traveling sinusoidal waves. This is not the same for music signals since all equalizers shift phase with frequency. Sinusoidal waveforms of the same ...

👉 Learn how to graph a cotangent function. To graph a cotangent function, we first determine the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from the ...