# Writing a periodic function And functions which are not periodic are called aperiodic. It is defined as the ratio of sine to cosine. Not only in the field of mathematics but these functions are used throughout science to describe waves, periodicity and oscillations etc.

## Periodic function chemistry

It is defined as the ratio of sine to cosine. Thus, the periods of this function are Not only in the field of mathematics but these functions are used throughout science to describe waves, periodicity and oscillations etc. If p is the least positive period of f, the p is called the principal period or just the period of f. This can be understood better with the help of the figure below: As we can see from the above picture the same y value for any other point on the same circle with the same angle theta, will appear again only after one full rotation. The simplest way to find the period of a function is to graph it. A nonzero constant P for which this is the case is called a period of the function. And functions which are not periodic are called aperiodic. The sine function is actually the y co ordinate of the point on the unit circle.

The simplest way to find the period of a function is to graph it. A sequence can also be viewed as a function defined on the natural numbersand for a periodic sequence these notions are defined accordingly. That is because the y co ordinates of a unit circle would be positive in two quadrants the I and the II quadrants.

### How to find the period of a periodic function

It is a non constant real valued function of a real variable. It is defined as the ratio of sine to cosine. And functions which are not periodic are called aperiodic. The distance between two consecutive points on the function that have the same y value but different x values would be the period for that function. Specifically, a function f is periodic with period P if the graph of f is invariant under translation in the x-direction by a distance of P. Then f is called a periodic function and p is the period of f. A function with period P will repeat on intervals of length P, and these intervals are sometimes also referred to as periods of the function. Trigonometric functions are the most important examples of the periodic functions. Geometrically, a periodic function can be defined as a function whose graph exhibits translational symmetry. Thus, the periods of this function are

Trigonometric functions are the most important examples of the periodic functions. Then f is called a periodic function and p is the period of f. If there exists a least positive  constant P with this property, it is called the fundamental period also primitive period, basic period, or prime period.

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