This chapter introduces units of angles, types of angles, and the right triangle. It explains trigonometric functions, reciprocal identities, complementary, supplementary, and inverse functions. The chapter explains unit circle and oblique triangles using the laws of sines and cosines.
KeywordsComplementary; Inverse trigonometric function; Law of cosines; Law of sines; Oblique triangles; Reciprocal identities; Right triangle; Supplementary; Trigonometric functions; Unit circle; Units of angles
Forget about all the reasons why something may not work. You only need to find one good reason why it will.
Dr Robert Anthony