class 10 maths chapter 5 exercise 5.1 solutions class 10 maths chapter 5 exercise 5.1 Exercise 5.1 Solutions Arithmetic Progressions 1. In which of the following situations, does the list of numbers involved make an arithmetic progression, and why? (i) The taxi fare after each km when the fare is ₹15 for the first km … Read more
class 10 maths chapter 12 exercise 12.2 Exercise 12.2 Solutions Surface Areas and Volumes (Unless stated otherwise, take π = 22/7) 1. A solid is in the shape of a cone standing on a hemisphere with both their radii being equal to 1 cm and the height of the cone is equal to its radius. … Read more
Class 10 maths chapter 12 exercise 12.1 Exercise 12.1 Solutions Surface Areas and Volumes (Unless stated otherwise, take π = 22/7) 1. 2 cubes each of volume 64 cm³ are joined end to end. Find the surface area of the resulting cuboid. Step 1: Find the side of each cube. Volume of a cube = … 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
Exercise 3.3 class 10 Exercise 3.3 Solutions (Substitution Method) Problem 1(i): x + y = 14 and x – y = 4 1. From first equation: x + y = 14 ⇒ y = 14 – x 2. Substitute into second equation: x – (14 – x) = 4 3. Simplify: x – 14 + … Read more
Exercise 3.2 Solutions – Class 10 Mathematics Exercise 3.2 Solutions – Class 10 Mathematics Linear Equations in Two Variables Question 1: Form pairs of linear equations and solve graphically. Part (i): Math Quiz Problem 10 students of Class X took part in a Mathematics quiz. If the number of girls is 4 more than the … Read more
Complete Class 10 NCERT Mathematics Formulas Over all formulas of maths class 10 ncert pdf download Complete Reference Guide for CBSE Students Table of Contents Real Numbers Polynomials Pair of Linear Equations in Two Variables Quadratic Equations Arithmetic Progressions Triangles Coordinate Geometry Introduction to Trigonometry Applications of Trigonometry Circles Constructions Areas Related to Circles Surface … Read more