Vector: Matrix where n is 1, so there is only one row A matrix is made […]
Elimination:You can add the two equations together, so if there is a negative and positive number […]
Imaginary Number:Sqrt(-1) = iRemember that  i^2 = -1, when multiplying How to take the square root […]
The laws are used for any triangle (doesn’t have to be a right triangle): Solving a […]
How to find use a Cosine and Sine together:
The Pythagorean Identities are the most important and will be used in many other domains of […]
Build-up of trigonometric functions: If you know two intersection points, with the same y-value that that […]