Category: Mathematics

The science of numbers, quantities, and shapes and the relations between them
Algebra, arithmetic, calculus, geometry, and trigonometry are branches of mathematics.

Trigonometry

The Unit Circle The above drawing is the graph of the Unit Circle on the X – Y Coordinate Axis. It can be seen from the graph, that the Unit Circle is defined as having a Radius ( r )

Matrices and Systems of Equations

Definition of a Matrix Rectangular array of real numbers m rows by n columns Named using capital letters First subscript is row, second subscript is column Terminology A matrix with m rows and n columns is called a matrix of order m x n. A square matrix is a matrix

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