# Revision Notes For CBSE Class 10 Maths Chapter 8 Introduction to Trigonometry

In chapter 8, students will mainly learn about two topics which are trigonometric ratios and trigonometric identities. Students will further study how to calculate trigonometric ratios for specific and complementary angles and how to establish identities for the ratios. While this is the main objective of the chapter, students can download and make use of the CBSE revision notes for class 10 maths chapter 8 – introduction to trigonometry to increase their understanding of all the concepts present in this chapter. The notes contain clear and crisp information and can be used as effective study materials. Once students get familiar with the notes they will be able to develop better math fluency and solve even difficult questions without any hassle.

Students can access details of the  Chapter 8 Class 10 Maths from the link below:

## CBSE Class 10 Maths Chapter 8 Notes-Introduction to Trigonometry

Further resources are also provided in these links given:

Access CBSE Class 10 Maths Sample Papers Here.

Access NCERT Class 10 Maths Book Here.

## Frequently asked Questions on CBSE Class 10 Maths Notes Chapter 8: Introduction to Trigonometry

Q1

### What are ‘Trignometric ratios’?

The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec) and secant (sec).

Q2

### Who invented ‘trignometry’?

Trigonometry in the modern sense began with the Ancient Greeks. Hipparchus was the first to construct a table of values for a trigonometric function.

Q3

### What are the uses of ‘Trignometry’?

1. Satellite navigation 2. Architecture 3. Mechanical engineering 4. Oceanography 5. Medical Imaging