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RD Sharma Class 11 Maths Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications

Last updated date: 16th May 2024
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RD Sharma Solutions for Class 11 Maths Chapter 10 - Free PDF Download

Solutions for Class 11 Mathematics Chapter 10 “Sine and Cosine Formulae and Their Applications” by RD Sharma are available here at Vedantu solved by expert teachers as per the latest CBSE Board syllabus and NCERT Book guidelines. You will find a collection of problems with Solutions on this page which will help you to revise the complete syllabus and score more marks easily. Register for Mathematics tuition to clear your doubts. Subjects like Hindi, Science, and English will become easy to study once you get access to CBSE Worksheets, answers, and solutions of other subjects that are uniquely available on our Vedantu website.

Students can download the solutions for Class 11 Mathematics Chapter 10 “Sine and Cosine Formulae and Their Applications” by RD Sharma from ‘Sine and Cosine Formulae and Their Applications’ chapter is explained majorly based on the values of trigonometric relations. Sine and Cosine are two basic trigonometric functions that have a lot of applications in solving complex mathematical problems. Here in RD Sharma Class 11 Solutions Chapter 10, we study Sine and Cosine rules and their applications. The Sine and Cosine Formulae topic is one of the essential and basic concepts for Class 11 students. So, Vedantu is providing solutions to the important questions by doing a lot of research on the topic. 

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Concepts Covered in Class 11 RD Sharma Textbook Solutions Chapter 10 – Sine and Cosine Formulae and Their Applications

In this chapter, students will learn about basic trigonometric relations and their applications on elements of the triangle. Let us look into important topics of Sine and Cosine Formulae and Their Applications chapter.

  • The law of sines.

  • The law of cosines.

  • Projection formulae.

  • Law of tangents

  • Area of a triangle.

Exercises in RD Sharma Textbook Class 11 Chapter 10 – Sine and Cosine Formulae and Their Applications

All the RD Sharma Solutions of Class 11 Sine and Cosine Formulae are developed according to the NCERT curriculum so that students can easily prepare for their exams. The solutions for this chapter are prepared by subject matter experts at Vedantu in the best possible ways, which are easily understandable for the students. Students are suggested to use RD Sharma Class 11 Chapter 10 Solutions as the best reference material which helps them to score more marks in their exams. Solutions to this exercise are available in pdf format which is readily accessible. Students can easily download the PDF format. Students will be able to study Class 11 Mathematics by constantly practising and verifying their answers against RD Sharma's CBSE Class 11 Mathematics solutions for Chapter 10 “Sine and Cosine Formulae and Their Applications” provided by Vedantu.   


Vedantu has provided step-wise solutions for all exercise questions given in the pdf of  RD Sharma Class 11 Chapter 10 “Sine and Cosine Formulae and Their Applications”. All the Eexercise questions with solutions in Chapter 10 – Sine and Cosine Formulae and Their Applications are given below:

Exercise 10.1

Exercise 10.2

Exercise 10.3

FAQs on RD Sharma Class 11 Maths Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications

1. Why do I have to study RD Sharma Solutions For Class 11 Maths Chapter 10?

RD Sharma solutions on Sine and Cosine Formulae are created by subject matter experts especially for important questions that are regularly asked in exams. So, students are suggested to refer to the RD Sharma solutions on Vedantu which is available for free in a PDF format. By practising this, students will get familiar with the different types of problems and ways of solving them. With the help of Vedantu’s RD Sharma's solutions pdf, students will be able to understand the important formulas in a simple way. 

2. What is the importance of trigonometry for Class 11 students?

Trigonometry is a very important part of CBSE Class 11 Mathematics and conceptual understanding and problem-solving ability. It helps students to have a better understanding of the world because many of the Earth's natural structures resemble triangles. Great trigonometry skills allow students, in relatively little time, to figure out complex angles and dimensions. Trigonometry is one of the most valuable branches of mathematics, commonly used in architecture, engineering, and many sciences. ‘‘Trigonometry’’ is also one of the important chapters where students can score more marks in their public examination. 

3. Where are Sine and Cosine formulae used?

When there are either two angles and one side, or two sides and a non-included angle, the sine rule will be used. Similarly, when there are either three sides or two sides and the included angle, the cosine rule will be used. Sine and cosine can be generated by projecting the tip of a vector onto the y-axis and x-axis as the vector rotates about the origin. Sine and cosine functions can be used to model many real-life scenarios: radio waves, tides, musical tones, and electrical currents. 'Vedantu' provides free study materials which can be downloaded from the Vedantu.

4. Where can I find these RD Sharma solutions for CBSE Class 11 Mathematics?

You can find these RD Sharma's Mathematics solutions for Class 11 all chapter exercises on the Vedantu website and Vedantu mobile app. These solutions are written by subject matter experts. Along with RD Sharma's CBSE Class 11 mathematics solutions, students can also find important formulas to clear their doubts on their own. Register online ISC Business studies tuitions on to clear your doubts and download all the ISC Class 12 Business Studies sample papers to prepare for Board Examinations.

5. What is the main advantage of having solutions for CBSE Class 10 – Sine and Cosine Formulae and Their Applications?

There are many advantages to having the solutions for Chapter 10 “Sine and Cosine Formulae and Their Applications”. At the end of each exercise, students will learn how to solve a sum in an easy way as well as formulae. Trigonometric identities are trigonometry equations that are always true, and sometimes they're used to solve trigonometry problems and understand various mathematical properties. Knowing key trigonometric identities helps you remember and understand important mathematical principles and solve numerous math problems. This will get students familiar with the paper pattern and question type. With the help of this pdf, students will be able to understand the formulae in a simple way.