class 10 maths chapter 3 exercise 3.2 solutions Exercise 3.2 Solutions Pair of Linear Equations in Two Variables 1. Solve the following pair of linear equations by the substitution method. (i) x + y = 14; x − y = 4 From x – y = 4, we get x = 4 + y. Substitute … Read more
Sclass 10 chapter 3 maths exercise 3.1 Exercise 3.1 Solutions Pair of Linear Equations in Two Variables 1. Form the pair of linear equations and find their solutions graphically. (i) 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find … Read more
trigonometry class 10 extra questions (R.D. Sharma Level) Extra Practice Questions Trigonometry (R.D. Sharma Level) 1. If 5 tan α = 4, show that 5 sin α − 3 cos α5 sin α + 2 cos α = 16. Given: tan α = 4/5. Divide the numerator and denominator of the expression by cos α: … Read more
trigonometry class 10 exercise 8.3 solutions Trigonometry class 10 exercise 8.3 solutions Trigonometric Identities 1. Express the trigonometric ratios sin A, sec A and tan A in terms of cot A. 1. tan A: tan A = 1cot A 2. sec A: Using the identity sec2A = 1 + tan2A: sec2A = 1 + (1cot … Read more
trigonometry class 10 exercise 8.2 solutions Exercise 8.2 Solutions Trigonometric Ratios of Specific Angles 1. Evaluate the following: (i) sin 60° cos 30° + sin 30° cos 60° Substituting the values: = (√32) × (√32) + (12) × (12) = 34 + 14 = 44 = 1. (ii) 2 tan2 45° + cos2 30° − … Read more
class 10 trigonometry exercise 8.1 Class 10 trigonometry exercise 8.1 Introduction to Trigonometry 1. In ΔABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine : (i) sin A, cos A (ii) sin C, cos C Given: A right-angled triangle ABC, with the right angle at B. AB = 24 cm and … Read more
Best Country to Study Abroad for Indian Students | 2025 Guide Best Country to Study Abroad for Indian Students (2025-26 Guide) Last Updated: June 2025 | By International Education Experts Choosing the best country to study abroad is crucial for Indian students. This comprehensive guide compares top destinations based on education quality, costs, work opportunities, … Read more
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Magnetic Effects of Electric Current Class 10 Notes | Asterisk Classes Magnetic Effects of Electric Current Class 10 Notes Class 10 Complete Notes | Electromagnets, Motors, Generators & Applications What You’ll Learn: 1. Basics of Magnetism 2. Electromagnets 3. Fleming’s Rules 4. Electric Motor 5. Electric Generator 6. Domestic Circuits 1 Fundamentals of Magnetism Magnetic … Read more
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