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NCERT Solution for Class 10 Maths Chapter 8 - Introduction to Trigonometry | AESL

Detailed solutions are also provided for all questions. These MCQs will help students clear all the fundamental concepts and prepare effectively for Class 10 Maths exam.

So, students should prepare according to the new syllabus. A one decimal place. C three decimal places. Explanation: The termination of any rational number depends upon the power of 2 in the prime factorization of denominator.

Explanation: As the number 2m will always be even, so if we add 1 to it then, the number will always ch 8 of maths class 10 keys odd. A always irrational. C rational or irrational. Explanation : Product of a non-zero rational and an irrational number is mwths irrational i.

If the HCF of 65 and is expressible in the form 65 m �then the value of m is. The largest number which divides 70 andleaving remainders 5 and 8, respectively, is.

C Explanation : Since 5 and 8 are the remainders of 70 andrespectively. Thus after subtracting these remainders from the numbers, we have the numbers. The values of the remainder r, when a positive integer a is divided by 3 are:. As the number is divided by 3. So the remainder cannot be greater than divisor 3 also r is an integer. Therefore, the values of r can be 0, 1 claes 2. B Non - Terminating Non repeating decimal expansion.

A rational number in its decimal expansion is The least number that is divisible by all the numbers from 1 to 10 both inclusive is. A an integer. C C 3 and 7. On a morning walk, three persons step off together and their steps measure 40 cm, 42 cm dlass 45 cm, respectively. What ch 8 of maths class 10 keys the minimum distance each should walk so that each can cover the same distance in complete steps?

A cm. C cm. Explanation: We need to find the L. M of 40, 42 and 45 cm to get the required minimum distance. We have prepared some articles which will help the class 10 students in preparations of their Maths exam by summarising all important resources in one place.

Students can check the following links to explore the important articles to prepare in effective manner and perform well in the exam:. Jagranjosh Education Awards Click here if you missed it! This website uses cookie or similar technologies, to enhance your browsing experience and ch 8 of maths class 10 keys personalised recommendations.

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Note: The values of the trigonometric ratios of an angle do not vary with the lengths of the sides of the triangle, if the angle remains same. An equation involving trigonometric ratios of an angle is called a trigonometric identity, if it is true for all values of the angle s involved. Solution: Ex 8. Solution: Class 10 Maths Introduction To Trigonometry Trigonometry Trigonometry is the study of relationships between the sides and angles of a right-angled triangle.

Trigonometric Ratios Trigonometric ratios of an acute angle in a right triangle express the relationship between the angle and the length of its sides. This concept was first used by Aryabhata in Aryabhatiyam in A. Trigonometry is a word consisting of three Greek words: Tri-Gon-Metron.

So, trigonometry is the study related to the measure of sides and angles of a triangle in particular, right triangles in CBSE class Trigonometry is used in astronomy to determine the position and the path of celestial objects. Astronomers use it to find the distance of the stars and planets from the Earth. Captain of a ship uses it to find the direction and the distance of islands and light houses from the sea. Surveyors use to map the new lands.

Objective of Class 10 Trigonometry: Identifying the opposite side, adjacent side and hypotenuse of right triangle with respect to given angle A. Defining the six rations sine, cosine, tangent, secant. Finding the values of trigonometric rations of a given right angled triangle.

Trigonometry is all about triangles. It is all about right-angled triangles, triangles with one angle equal to 90 degrees, to be more precise. It's a method that helps us find a triangle's missing angles and missing sides.

The last part of the exercise consists of problems that can be pictured using the right angle triangle. The second section consists of an introduction to trigonometric ratios with examples. It is accompanied by an exercise at the end of the section and the derivation of sine, cosine, and other trigonometric functions. The third part consists of trigonometric ratios about measurement. The fourth section of Chapter 8 Class 10 Maths consists of a few solved examples, trigonometric ratio criteria for complementary angles, and an exercise.

In the introduction to Trigonometry Class 10, the fifth section consists of the subject relating to trigonometric identities, with a few examples, and ends with an exercise. To save students from the needless burden on their minds, complicated solutions are broken down into simple sections. Solutions are written in a lucid language to make it easier for students to understand.

10th Ncert Maths Syllabus Ko Byjus Class 8 Maths Sample Paper Data