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RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2

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RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2 - Free PDF

Free PDF download of RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications Exercise 10.2 solved by Expert Mathematics Teachers on Vedantu.com. All Chapter 10 - Sine and Cosine Formulae and Their Applications Ex 10.2 Questions with Solutions for RD Sharma Class 11 Maths to help you to revise the complete Syllabus and Score More marks. Register for online coaching for IIT JEE (Mains & Advanced) and other engineering entrance exams.

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RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2)

The law of cosines, projection equations, the law of tangents, and the area of a triangle are all covered in this exercise. Our team of teachers works with students who have trouble answering issues with the goal of making Mathematics easy for them based on their grasping power. Regular practice is the only way for students to gain a good grasp of the concepts presented in Maths Class 11, and they can utilize the PDF offered as reference material for answering questions. Students may get the RD Sharma Class 11 Solutions for Maths Exercise 10.2 of Chapter 10 for free by following the links.

Students can use these RD Sharma Solutions for Class 11 Maths Chapter 10 – Sine and Cosine Formulae and their applications to study and prepare for their board exam. Students must practice all of the questions in each and every exercise in the chapter in order to get a good score in Mathematics. In this chapter, we'll look at several trigonometric relationships between triangle elements. The RD Sharma Solutions were created by Vedantu experts with the goal of providing students with the greatest reference guide to help them clear their questions and get good grades in exams.

All of RD Sharma's books are listed here in a logical order based on the lessons. RD Sharma's questions are answered quickly and effectively. S  11 Mathematics chapter-by-chapter questions here. These books are beneficial to students studying for the CBSE examinations. RD Sharma's maths solutions for class 11 – chapter 10 The formulae for sine and cosine, as well as their applications, play an important role in the learning process. Practicing the illustration problems provided in RD Sharma's class 11 Mathematics solutions improves your ability to think critically.

Vedantu offers RD Sharma Solutions for Class 11 Maths Chapter 10 in PDF format, which students can access any time they need them. The PDFs created by the professionals are of great quality, and students can download them for free. Vedantu's reference materials are easy to use and help students do well on their board exams. 

FAQs on RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2

1. What are the topics covered in RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2 - Free PDF?

Two exercises are included in RD Sharma Class 11 Solutions Chapter 10 – Sine and Cosine Formulae and Their Applications. Expert-curated answers for easy and quick calculations are in compliance with the CBSE syllabus. From Vedantu, students can get the PDF of RD Sharma Solutions for Class 11 Maths Chapter 10 Sine and Cosine Formulae and their Applications. Let's take a closer look at the principles covered in this chapter.

  • The law of sines or sine rule.

  • The law of cosines.

  • Projection formulae.

  • Napier’s analogy (law of tangents).

  • Area of a triangle.

2. Is the RD Sharma Solutions for Class 11 Maths Chapter 10 PDF useful for students preparing for exams?

Subject experts at Vedantu have created all of the answers to the textbook problems, so students may rely on RD Sharma Solutions for Class 11 Maths Chapter 10 resources for test preparation. Students will be able to produce exact and extensive answers to questions that will be asked in board exams if they practice the solutions given by experts.


Yes, the RD Sharma Solutions for Class 11 Maths Chapter 10 PDFs include detailed solutions to the textbook questions for excellent exam preparation. The answers in the PDF were created by a Vedantu faculty memberS with extensive expertise, by following CBSE norms and test patterns. With this resource, students may better comprehend crucial themes and do well on board exams. 


3. What is the cosine formula in RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2 - Free PDF?

The cosine formulas are trigonometric formulas for the cosine function. The cosine function (often known as "cos") is the ratio of the neighboring side to the hypotenuse and is one of the six trigonometric functions. The cosine function has a number of formulas that can be derived from various trigonometric identities and formulas.


The cosine (cos) function is discussed in the cosine formulae. Let's look at a right-angled triangle with x as one of the sharp angles. The cosine formula is cos x = (adjacent side) / (hypotenuse), where "adjacent side" refers to the side of the triangle adjacent to the angle x, and "hypotenuse" refers to the triangle's longest side (the side opposite the right angle). Apart from this generic formula, there are a slew of different trigonometric formulas that define the cosine function, as seen in the graphic below.

4. What are a few points I should remember while solving RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2 - Free PDF?

The points which you should take care of are-

The questions in the first exercise help you practise utilising the Sin and Cosine rules to find the sides and angles of a triangle in various ways. There are 31 questions in all.

  1. The second set includes questions on the area of a triangle, which you can use in a variety of ways. There are 19 questions in all.

  2. The third set comprises very short answers that combine all of the ideas, such as the area of a triangle and the sin, and cosine rules. It consists of ten questions.

  3. The MCQ part is an objective kind in which you are presented with an issue and four possible options from which you must choose one based on your deductions.

  4. The questions from RD Sharma Solutions will prepare you for any exam, such as JEE or NEET, and will serve as an excellent foundation for board exams. It includes several examples and thorough illustrations to help you understand the various trigonometric functions. 

5. Where to get RD Sharma Class 11 Solutions Chapter 10 - Sine and Cosine Formulae and Their Applications (Ex 10.2) Exercise 10.2 - Free PDF?

On the Vedantu website, you can find complete RD Sharma solutions for Chapter 10 Sine and Cosine Formulae and Their Applications in class 11. In fact, on Vedantu, you may get a PDF of RD Sharma's solutions to all of the class 11 chapters. We concentrate on providing students with all of the necessary study tools so that they can grasp chapter topics, functions, and formulas and perform well on tests. We have a variety of sample papers, mock examinations, and previous year question papers available. The free Vedantu solutions will assist you in efficiently managing your time while tackling difficulties.