class 10 maths chapter 8 exercise 8.2

NCERT class 10 Maths chapter 8 exercise 8.2

NCERT Solutions for Maths Chapter 8, Exercise 8.2 involve complete  answers for each question in the exercise 8.2. The solutions provide students a strategic methods  to prepare for their exam. Class 10 Maths Chapter 8 Introduction to Trigonometry Exercise 8.2 questions and answers helps students to perform better in exam and it will  clear doubts definitely. Students will find it extremely easy to understand the questions and learn solving the problems. NCERT Solutions for Chapter 8 Introduction to Trigonometry Exercise 8.2 prepared by www.mathematicsandinformationtechnology.com team in very delicate, easy and creative way. 



Solution 1:

Solution 2:

Question 4:
State whether the following are true or false. Justify your answer.

(i)sin(A + B) = sin A + sin B

(ii)The value of sin θ increases as θ increases

(iii)The value of cos θ increases as θ increases

(iv)sin θ = cos θ for all values of θ

(v)Cot A is not defined for A = 0°

Solution 4:

We know that,