Thursday, August 12, 2010

Math problems

Let us learn geometry help online

Geometry is a one of the important branch of mathematics, Basically geometry is of two types, Plane geometry, and Solid geometry. Plane geometry:

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Tuesday, August 3, 2010

Learning greatest integer function

Introduction to study about greatest integer function
The greatest integer function is of great importance even in our daily life.The rounding of numbers is a thing we always use in real life.The greatest integer function of a real number x is represented by [ x ] .This function is also known as step function or floor function. It returns the greatest integer less than or equal to x. Another way to understand is that the greatest integer function rounds values down to the nearest lower integer possible.

Study about Graph of Greatest Integer Function

Greatest integer function
From the graph we can see that the Domain of the greatest integer function is all real values.This means that it is defined for every x that belongs to to real number system. Its range is the set of all Integers Z, negative as well as positive integers.
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Tuesday, July 20, 2010

Understanding Average Deviation



Finding Average Deviation is more accurate method of finding the error margin in the Standard deviation we will use the average deviation . It is easy to Calculate. The Average deviation is also known as average absolute deviation.
The individual values from the mean or median’s averages are known as the Average absolute deviation. It is a measure of dispersion.


Average deviation is also known as the Mean deviation. It is used to characterize the dispersion among the
measures in the given data and it is the one of the several indices of the variability.
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Wednesday, July 14, 2010

The Trigonometric Functions


Introduction to Trigonometric Functions

The "trigonometry" term derives from the Greek "τριγονομετρία" ("trigonometria"), meaning "triangle measuring", from triangle+ to measure. The first trigonometric table was developed by Hipparchus of Nicaea. The subject was originally developed to solve the geometric problems which are involving in triangles.

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Inverse Trigonometric Functions.

In mathematics, the inverse trigonometric functions are called inverse functions of the trigonometric functions, though they do not meet the official definition for inverse functions as their ranges are subsets of the domains of the original functions. Since none of the six trigonometric functions are one-to-one (by failing the horizontal line test), they must be restricted in order to have inverse functions.

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