# NCERT Solutions Class 10 Maths Chapter 9 Some Applications of Trigonometry

NCERT Solutions for Class 10 Maths Chapter 9 Some Applications of Trigonometry uses the concept of trigonometric ratios learned in the previous chapters and shows kids its practical implementation. Trigonometry was invented because its need arose in astronomy. Since then astronomers have used it, for instance, to calculate distances from the Earth to the planets and stars. It is also used in geography and in navigation. Apart from this, trigonometry is used to construct maps as well as determine the position of an island in relation to the longitudes and latitudes. This chapter is packed with a variety of real-life scenarios that make use of trigonometry, especially when calculating the heights and distances of objects. NCERT solutions class 10 Maths Chapter 9 is one of the most exciting chapters in the textbook as it helps students relate trigonometry to everyday life.

With the help of this chapter, kids get introduced to concepts like a line of sight, angle of elevation, angle of depression, etc. There is only one exercise in this lesson. It is highly recommended that students build a very strong foundation of the trigonometric topics introduced in the earlier chapter to successfully attempt this segment. In this article, we will take a complete look at all the subtopics associated with the Class 10 Maths NCERT Solutions Chapter 9 Some Applications of Trigonometry and also you can find some of these in the exercises given below.

## NCERT Solutions for Class 10 Maths Chapter 9 PDF

NCERT solutions for class 10 maths Chapter 9 Some Applications of Trigonometry comes with certain facts and tips to help children break the monotony leading to an improvement in their concentration levels. This is a fun chapter as it can be directly implemented to daily-life situations. The free PDF of NCERT Solutions Class 10 Maths Chapter 9 Some Applications of Trigonometry is given below.

**ā** Download Class 10 Maths NCERT Solutions Chapter 9

**NCERT Class 10 Maths Chapter 9 **

### NCERT Solutions for Class 10 Maths Chapter 9

NCERT Solutions Class 10 maths chapter 9 is entirely based on the applications of trigonometry. Understanding these applications is important because it is widely used in various fields such as engineering, architecture, navigation, design, etc. As kids are required to learn a host of formulas to attempt trigonometric problems it is highly advised that they revise this chapter at least twice. Let us now go through the detailed analysis of NCERT Solutions Class 10 Maths Chapter 9 Some Applications of Trigonometry.

- Class 10 Maths Chapter 9 Exercise 9.1 - 16 questions

ā Download Class 10 Maths Chapter 9 NCERT Book

**Topics Covered: **Topics covered in Class 10 Maths NCERT Solutions Chapter 9 are the angle of elevation, angle of depression, and angle of sight. These topics help students explore the applications of trigonometry in real-life situations.

**Total Questions:** Class 10 Maths Chapter 9 Some Applications of Trigonometry has a total of 16 questions out of which 6 are fairly easy, 5 are moderate, and 5 are long answer type questions.

## List of Formulas in NCERT Solutions Class 10 Maths Chapter 9

NCERT solutions Class 10 Maths Chapter 9 enables students to revise all formulas and concepts of Trigonometry. Most of the questions in this lesson can be solved using trigonometric ratios such as tan, cos, sin, etc as well as certain identities. It is vital for children to be well versed with the previous lesson as that builds the foundation for this topic. If kids understand the underlying meaning of these formulas this chapter is like a cakewalk. For the purpose of memorizing the identities, they can use a formula chart. Let us revise some important formulas that will help students solve all the questions of NCERT solutions for Class 10 maths chapter 9:

- Sin A= Perpendicular/ Hypotenuse
- Cosec A= Hypotenuse / Perpendicular
- Cos A = Base/ Hypotenuse
- Sec A= Hypotenuse/ Base
- Tan C = Perpendicular/ Base
- Cot C= Base/ Perpendicular

## FAQs on NCERT Solutions Class 10 Maths Chapter 9

### Why are NCERT Solutions Class 10 Maths Chapter 9 Important?

NCERT Solutions Class 10 Maths Chapter 9 Some Applications of Trigonometry is an important chapter as it has a variety of word problems that are based on the practical applications of trigonometric functions and identities. This is the lesson where students can apply the concepts learned in the previous chapter. All the questions can boost their logical and reasoning skills. It is a very scoring topic provided kids have a strong foundation in trigonometric ratios and identities.

### Do I Need to Practice all Questions Provided in Class 10 Maths NCERT Solutions Chapter 9 Some Applications of Trigonometry?

NCERT Solutions Class 10 Maths Chapter 9 Some Applications of Trigonometry have exemplary problems that allow children to examine each and every aspect of trigonometry. All questions show kids how to deal with a practical problem and give them the real-life implementation of this topic. Thus, it is necessary to practice all sums which ensure success not only in examinations such as boards or competitive exams but also in various industrial fields.

### Which Topics are Important in NCERT Class 10 Chapter 9 Some Applications of Trigonometry?

The important topics of NCERT Solutions Class 10 Maths Chapter 9 Some Applications of Trigonometry are the angle of depression, angle of elevation, and line of sight. One can find the step-wise detailed solutions of all the questions based on these topics. In order to understand these concepts better, students should make it a point of drawing the associated figures after reading the question.

### What is the number of questions in NCERT Class 10 Chapter 9 Some Applications of Trigonometry?

NCERT Solutions Class 10 Maths Chapter 9 covers a total of 16 questions. This chapter has only one exercise, and all 16 questions can be mastered by visualizing the concepts. Students should approach these in a stepwise manner and also should be able to recall specific trigonometric formulas immediately when required. It is also necessary for kids to always draw diagrams before attempting the problems.

### What are the important formulas in Class 10 maths NCERT chapter 9 Some Applications of Trigonometry?

NCERT Solutions Class 10 maths chapter 9 Some Applications of Trigonometry has a lot of practical questions that are based on the implementation of the concepts of trigonometry in our daily lives. These can be solved using the trigonometry formulas of reciprocal functions, trigonometric ratios, and trigonometric identities. Students can score excellent marks by revising these formulas on a regular basis.

### How CBSE Students can utilize NCERT Solutions Class 10 Maths Chapter 9 effectively?

In order to utilize the NCERT solutions class 10 maths chapter 9 Some Applications of Trigonometry, students must make a chart of the formulas used in this chapter. Kids should be able to apply the formulas while practicing the application-based questions. Also, time management is very important when it comes to practicing sums. Class 10 kids should keep track of the time while practicing the questions and work on increasing their speed to excel in board exams.