What is the phase shift of a periodic function?

Answer and Explanation :

To find : What is the phase shift of a periodic function?

Solution :

The Phase shift is defined as a horizontal shift in a function in any direction.

Horizontal stretches will change the period of the function and that horizontal shift is called a phase shift or the amount of shift in a wave horizontally.

The phase shift is measured in degrees.

Refer the attached figure below for the pictorial representation of teh phase shift.

In the figure, is showing the phase shift.

Example - Taking a general example of sin function

In this the phase shift is at C (positive is to the left).

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step-by-step explanation: