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Q: How are periodic functions used to find the length of a day?
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Why are sine and cosine functions used to describe periodic?

because sine & cosine functions are periodic.


How can periodic functions be used in real life?

-earthquake shock waves -voltage from a wall socket -tides -average monthly temperatures


Which functions has a period?

You can invent any function, to make it periodic. Commonly used functions that are periodic include all the trigonometric functions such as sin and cos (period 2 x pi), tan (period pi). Also, when you work with complex numbers, the exponential function (period 2 x pi x i).


What do Text Functions mean in Microsoft Excel?

The text functions are a set of functions in Excel that are used to manipulate text. They can be used for things like finding the length of a piece of text or extracting part of a piece of text from it or change it to upper or lower case. There are many other things that they can be used for.


Periodic function compaired to the real world?

If you are asking about periodic function in the real world, than there are millions of examples. The first one that comes to mind are the sin and cos functions. These are used in almost every field of science.


Difference between linear and circular convolution?

circular convolution is used for periodic and finite signals while linear convolution is used for aperiodic and infinite signals. In linear convolution we convolved one signal with another signal where as in circular convolution the same convolution is done but in circular pattern ,depending upon the samples of the signal


Which two trigonometric functions are used for analyzing vectors?

You usually need all three primary functions. The sine and cosine functions are used to resolve the vector along orthogonal axes, and the tangent function is used to find its direction.


What function multiple criteria fields to find the answer?

There are lots of functions that can do that, such as SUMIFS, COUNTIFS and others. Functions like AND and OR can be used in the process too.


Name a search function within Excel?

There is a function called FIND and a function called SEARCH in Excel. There are other functions that can be used to find things, such as the various lookup functions.


What is the Pythagorem theorem used for?

The Pythagorean theorem is used to find the length of a side of a right triangle knowing the length of the other two side.


Why is length used?

Length is used for many reasons. Without length construction workers would never be able to build anything that was proportionate or stable. In a math problem you can you length multipled with width to find the area of a rectangle.


What tools can be used to find volume?

The length, width and height of an object.