 # Concise Selina Solutions for Class 9 Maths Chapter 22- Trigonometrical Ratios

The Selina Solutions for the questions given in Chapter 22, Trigonometrical Ratios, of the Class 9 Selina textbooks are available here. In this chapter students learn about the topic of Trigonometrical Ratios of a triangle, dealing with the relations of sides and angles of right-angled triangles. Students can easily score full marks in the exams by solving all the questions present in the Selina textbook.

The Class 9 Selina Solutions Maths is very easy to understand. These solutions cover all the exercise questions included in the book and are according to the syllabus prescribed by the ICSE or CISCE. Here, the PDF of the Class 9 Maths Chapter 22 Selina Solutions is available, which can be downloaded as well as viewed online. Students can also avail the Selina Solutions and download it for free to practice offline as well.

### Access Answers to Maths Selina Problems of Class 9 Chapter 22- Trigonometrical Ratios                                                    ## Selina Solutions for Class 9 Maths Chapter 22- Trigonometrical Ratios

Chapter 22, Trigonometrical Ratios, consists of 2 exercises and the solutions given here contain answers to all the questions present in these exercises. Let us have a look at some of the topics that are being discussed in this chapter.

22.1 Introduction

22.2 Concept of perpendicular, base and hypotenuse in a right triangle

22.3 Notation of angles

22.4 Trigonometrical Ratios

22.5 Reciprocal Relations

## Selina Solutions for Class 9 Maths Chapter 22- Trigonometrical Ratios

The ratio between the lengths of a pair of two sides of a right-angled triangle is called a Trigonometrical Ratio. The three sides of a right-angled triangle give six trigonometrical ratios; namely sine, cosine, tangent, cotangent, secant, and cosecant. Here, in this chapter, students are taught about the different Trigonometrical Ratios. Read and learn Chapter 22 of Selina textbook to get to know more about Trigonometrical Ratios. Learn the Selina Solutions for Class 9 effectively to attain excellent results in the examination.