Our experienced team of editors and researchers contributed to this article and tested it for accuracy and completeness.
The number of sources used in this article: 6. You will find a list of them at the bottom of the page.
The wikiHow content management team carefully monitors the work of editors to ensure that each article meets our high quality standards.
In trigonometry there are problems in which you need to find the equation of the line. In this case, either the coordinates of one point and the angular coefficient are given, or the coordinates of two points that lie on a straight line. In any case, finding the equation of the line is quite easy if you use the appropriate formulas.