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

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. 

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.

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. 

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.