How to determine whether two matrices are inverses.
How to determine whether a square matrix is invertible using its determinant.
How to determine the identity matrix of order n.
How to convert a system of linear equations into a matrix equation and solve it.
How to restrict the domain of sine so it will have an inverse function.
How to restrict the domain of cosine so it will have an inverse function.
How to restrict the domain of tangent so it will have an inverse function.
How to use inverse trig functions to find angles in right triangles.
How to evaluate expressions like tan(sin (4/5))^(-1).
How to use inverses to define the logarithmic function.
How to compute the determinant of a 2x2 square matrix.
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
How to solve a system of two linear equations with two unknowns using Cramer's rule.
How to compute the determinant of a 3x3 square matrix using minors by expanding along the top row.
How to solve a simple sine equation: sin (theta) = 1/2.
How to find the graph of a logarithmic equation with a base greater than one.
How to evaluate logarithms when the argument is a recognizable power of the base.