Ncert Solutions For Class 10 Maths Chapter 8 вђ Introduction To Introduction to trigonometry class 10 important questions very short answer (1 mark) question 1. if tan θ cot θ = 5, find the value of tan2θ cotθ. (2012) solution: tan θ cot θ = 5 …. [given. tan 2 θ cot 2 θ 2 tan θ cot θ = 25 …. [squaring both sides. tan 2 θ cot 2 θ 2 = 25. Expert teachers at cbsetuts collected and solved 2 marks and 4 mark important questions for class 10 maths chapter 8 introduction to trigonometry. 2016. very short answer type questions [1 mark] question 1. find the value of sec² 42° – cosec² 48°. solution: question 2. if (1 cos a) (1 – cos a) =3 4, find the value of sec a. solution:.
Ncert Solutions Class 10 Maths Chapter 8 Introduction To Trigonometry Here are some important questions for class 10 mathematics chapter 8, introduction to trigonometry, carefully selected to help students prepare for the cbse class 10 mathematics examination in 2024 25. these questions cover various types of problems and are designed to assist students in understanding trigonometry better. Class 10 maths chapter 8 important questions and answers. q.1: evaluate 2 tan 2 45° cos 2 30° – sin 2 60°. solution: since we know, tan 45° = 1. cos 30° = √3 2. sin 60° = √3 2. therefore, putting these values in the given equation:. Short answer type questions (2 mark questions) q1. if tanβ=24 7, then the value of sinβ cosβ is. q2. if tan 3x = sin450 cos45 o sin30 o then value of x is. q3. in triangle abc ,right angled. Solution: ex 8.1 class 10 maths question 4. given 15 cot a = 8, find sin a and sec a. solution: ex 8.1 class 10 maths question 5. given sec θ = 1312 , calculate all other trigonometric ratios. solution: ex 8.1 class 10 maths question 6. if ∠a and ∠b are acute angles such that cos a = cos b, then show that ∠a = ∠b.
Important Questions For Class 10 Maths Chapter 8 Introduction To Short answer type questions (2 mark questions) q1. if tanβ=24 7, then the value of sinβ cosβ is. q2. if tan 3x = sin450 cos45 o sin30 o then value of x is. q3. in triangle abc ,right angled. Solution: ex 8.1 class 10 maths question 4. given 15 cot a = 8, find sin a and sec a. solution: ex 8.1 class 10 maths question 5. given sec θ = 1312 , calculate all other trigonometric ratios. solution: ex 8.1 class 10 maths question 6. if ∠a and ∠b are acute angles such that cos a = cos b, then show that ∠a = ∠b. An equation involving trigonometric ratios of an angle is said to be trigonometric idnetity, if it is true for all values of the angles involved. some of the key trigonometric identities used in this chapter are as follows: sin 2 a cos 2 a = 1. sec 2 a =1 tan 2 a for 0° ≤ a ≤ 90°. cosec 2 a = 1 cot 2 a for 0° < a ≤ 90°. To study the answers of the ncert questions, click on an exercise or topic below. the chapter is updated according to thenew ncert, for 2023 2024 board exams.get ncert solutions with videos of all questions and examples of chapter 8 class 10 trigonometry. videos of all questions are made with step by step explanations.
Cbse Class 10 Mathematics Application Of Trigonometry Mcqs Multiple An equation involving trigonometric ratios of an angle is said to be trigonometric idnetity, if it is true for all values of the angles involved. some of the key trigonometric identities used in this chapter are as follows: sin 2 a cos 2 a = 1. sec 2 a =1 tan 2 a for 0° ≤ a ≤ 90°. cosec 2 a = 1 cot 2 a for 0° < a ≤ 90°. To study the answers of the ncert questions, click on an exercise or topic below. the chapter is updated according to thenew ncert, for 2023 2024 board exams.get ncert solutions with videos of all questions and examples of chapter 8 class 10 trigonometry. videos of all questions are made with step by step explanations.
Comments are closed.