NCERT solutions for class 10 Maths Chapter 8, Introduction to Trigonometry, Exercise 8.4, is provided in free pdf format and it helps the students to revise all the exercise solutions completely to score good marks. The NCERT solutions for class 10 maths consists of all solutions with additional information and spice the learning experience of the students with pictorial illustrations and solutions in the step by step procedure.
The NCERT solutions are created and analysed as per the guidelines and recently revised syllabus of CBSE board by the subject matter experts to give correct answers. The solutions are given in chapter wise to access it easily and you can refer it anytime for the preparation of board exam as well as other competitive examinations.
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Access other exercise solutions of class 10 Maths Chapter 8- Introduction to Trigonometry
Exercise 8.1 Solutions – 11 Questions (7 short answers, 3 long answers, 1 short answer with reasoning)
Exercise 8.2 Solutions – 4 Questions ( 1 short answer, 2 long answers, 1 MCQ)
Exercise 8.3 Solutions – 7 Questions (5 short answers, 2 long answers)
NCERT Solutions for class 10 Maths Chapter 8 – Introduction to Trigonometry Exercise 8.4
Exercise 8.4 of class 10 maths recalls the concept of trigonometric identities. In this exercise, a trigonometric identity is defined as an equation which involves the trigonometric ratios of an angle when it is true for all the values of the angle involved in a right angle triangle. With the help of trigonometric identities, the expression of one trigonometric ratio is written in terms of other trigonometric ratios. By finding one trigonometric identity of cos and sin function, the trigonometric identities of other functions are easily found since the functions are inter-related to each other and the proofs are given elaborately.
In this chapter, trigonometric ratios are expressed in terms of other ratios, proving the trigonometric expressions and justifications with respect to the trigonometric identities are given and also refer NCERT solutions for class 10 maths chapter 8 to solve more problems to score more in the examinations.