Introduction to Sin, Cos and Tan This video covers the fundamental definitions of the trigonometry. It also describes the practical application of trigonometry through the theodolite, as used by land surveyors. Keep it handy while you’re revising the concept, especially before an exam. Introduction to Trigonometry This video gives brief description of how trigonometry was first discovered and used.
This one page PDF covers summarised theory and the most important formulas related to the concept. A cheat sheet on Conditional Trigonometric Identities is also available on this website. A cheat sheet on Trigonometry is also available on this website.Īlso, you should be comfortable with various trigonometric identites related to the triangle, also sometimes referred to as conditional trigonometric identities. The printable unit circle worksheets are intended to provide high school practice in using the unit circle to find the coordinates of a point on the unit circle, find the corresponding angle measure, determine the six trigonometric ratios and a lot more. Solution of triangles is the trigonometric problem of finding the angles and the side lengths of a triangle, when some of these are known.Ī good knowledge of the trigonometric ratios and basic identities is a must to understand and solve problems related to solution of triangles. Unit circle plays a vital role in trigonometry. This cheat sheet covers the high school math concept – Solution of Triangles.
