This page helps you to lean about the Cosine Law, a Trigonometry formula used to solve any non-right triangle where you do not have a side - angle opposite pair.
Click on the Example sheet, the Exercise sheet and the Answers sheet in order to view and print them.
Watch the video as many times as you wish.
Use the Example sheet as a model to help you complete the Exercise sheet.
Use the Answers sheet to correct your work.