If, we are given with a matrix then how can we find its additive inverse? I will explain it with the help of example. You first need to know general definition of additive inverse in order to understand additive inverse of matrix. … [Continue reading]
How to Add or subtract Two Matrices?
How to Add or subtract two Matrices? Two matrices can be added or subtracted only if they have same order. Otherwise, they are not eligible for addition. For example, we have two matrices $$A = \left[{\matrix{1 & 2 & 3 \cr5 & 2 & 1 … [Continue reading]
What are different types of Matrices?
Types of Matrices: There are different types of matrices like rectangular matrix, null matrix, square matrix, diagonal matrix etc. This post covers overview of different types of matrices. … [Continue reading]
Starting with Matrices (Order of Matrix)
What is a matrix? A matrix is a rectangular array of elements or numbers. A matrix is usually enclosed in square or round brackets. For example, Matrix of dimensions or order of 3 x 3 can be represented like: A=$$\left[ … [Continue reading]
Values of Trigonometric ratios for 0, 30,45, 60 and 90 degrees
Values of Trigonometric ratios for 0, 30,45, 60 and 90 degrees This post is regarding values of all trigonometric ratios for 0, 30, 45, 60 and 90 degrees. You should memorize all of them as they are used very often. There is technique to remember … [Continue reading]