Samacheer Kalvi 10th Maths Solutions Chapter 7 Mensuration Ex 7.2 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 7 Mensuration Ex 7.2 10th Maths Exercise 7.2 Samacheer Kalvi Question 1. A 14 m deep well with inner diameter 10 m is dug and the earth taken out is evenly spread all around the well to form … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 7 Mensuration Ex 7.1 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 7 Mensuration Ex 7.1 10th Maths Exercise 7.1 Samacheer Kalvi Question 1. The radius and height of a cylinder are in the ratio 5:7 and its curved surface area is 5500 sq.cm. Find its radius and height. Solution: … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Additional Questions Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Additional Questions Question 1. Given tan A = 4/3, find the other trigonometric ratios of the angle A. Solution: Let us first draw a right ∆ABC. Now, we know that tan A = BC/AB=4/3 Therefore, if BC = … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Unit Exercise 6 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Unit Exercise 6 Question 1. Prove that Solution: Question 2. Solution: Hence proved Question 3. If x sin3θ + y cos3θ = sin θ cos θ and x sin θ = y cos θ , … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.5 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.5 Multiple choice questions. Question 1. The value of sin²θ+1/1+tan2θ is equal to (1) tan2θ (2) 1 (3) cot2θ (4) 0 Solution: (2) 1 Hint: Question 2. tan θ cosec2θ – tan θ is equal to (1) … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.4 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.4 Question 1. From the top of a tree of height 13 m the angle of elevation and depression of the top and bottom of another tree are 45° and 30° respectively. Find the height … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.3 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.3 Question 1. From the top of a rock 50√3 m high, the angle of depression of a car on the ground is observed to be 30°. Find the distance of the car from the rock. … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.2 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.2 10th Maths Exercise 6.2 Samacheer Kalvi Question 1. Find the angle of elevation of the top of a tower from a point on the ground, which is 30 m away from the foot of … Read more
Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.1 Tamilnadu Samacheer Kalvi 10th Maths Solutions Chapter 6 Trigonometry Ex 6.1 10th Maths Exercise 6.1 Samacheer Kalvi Question 1. Prove the following identities. (i) cot θ + tan θ = sec θ cosec θ (ii) tan4θ + tan2θ = sec4θ – sec2θ Solution: 10th Maths … Read more
Samacheer Kalvi 9th Maths Solutions Chapter 5 Coordinate Geometry Additional Questions Tamilnadu Samacheer Kalvi 9th Maths Solutions Chapter 5 Coordinate Geometry Additional Questions Exercise 5.1 Question 1. State whether the following statements are true/false. (i) (5, 7) is a point in the IV quadrant. (ii) (-2, -7) is a point in the III quadrant. (iii) … Read more