Trigonometry

In this chapter, we study the trigonometric identities and ratios of complementary angles. It discusses the fundamental identities by applying them to the problems based on them.

This chapter describes three parts of trigonometrical tables. It discusses the uses of trigonometrical tables with the help of numerous illustrative examples.

This chapter helps us solve problems based on heights and distances. It details the various applications of trigonometry. We also study the angle of elevation, angle of depression, and horizontal level in trigonometry.