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NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry - NCERT Books

At the beginning of the chapter 8, it is ncert solutions class 10th introduction to trigonometry key that trigonometry is the study of relationships between the sides and angles ncert solutions class 10th introduction to trigonometry key a triangle. Other concepts covered are the trigonometric ratios of the angle and trigonometric identities.

Specifically, some of the trigonometric identities explained in this chapter are - sine, cosine, tangent, cosecant, secant and cotangent. For the second exercise, trigonometric ratios of some specific angles are presented. Next, for the third exercise, the important concept of trigonometric ratios for complementary angles is taken up.

Finally, the chapter covers different class identities and their applications. Once hypotenuse is known, we can find sine and cosine angle using trigonometric ncert solutions class 10th introduction to trigonometry key. Using Pythagoras theorem, we can find the length of the third side, then the required trignometric ratios.

Using sin A, we can find the ratio of the length of two sides of the right-angled triangle. Then by using Pythagoras theorem, the third side and required trigonometric ratios. Using cot A, we can find the ratio of the length of two sides of the right-angled triangle. Then compare both the ratios. Then by using Pythagoras theorem, relation between the sides. By substituting the values of the trigonometric functions in the above equation. Using Pythagoras theorem, we can find the length of the all three sides.

Then the required trignometric ratios. By substituting the values obtained above in the trigonometric functions. As hypotenuse is largest side, the ratio on RHS will be greater intriduction 1.

Hence the given statement is false. Hence, the given statement is false. In a right-angled triangle, hypotenuse is always greater than the remaining two sides. Class 10 Maths Solutions. Introduction to Yrigonometry. Book a Free Class. Exercise 8. Chapter 8 Ex. Solution Video Solution. Justify your answer. Instant doubt clearing with Cuemath Advanced Math Program. Related Sectionsee. Related Sections.

Chapter-1 Real Numbers. Chapter-2 Polynomials. Chapter-3 Pair of Linear Equations Chapter-4 Quadratic Equations. Chapter-5 Arithmetic Progressions. Chapter-6 Triangles. Chapter-7 Coordinate Geometry. Chapter-8 Introduction to Trigonome Chapter-9 Some Applications of Trig Chapter Circles. Chapter Constructions. Chapter Areas Related to Circles. Chapter Surface Areas soutions Volume Chapter Statistics. Chapter Probability.

To make it easy for you we tried providing exercise 8. 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. Understand the concepts and score well in the Board Examination with the notes, important questions, Multiple Choice Questions, Exemplar Problems listed for your convenience. It is all about right-angled triangles, triangles with one angle equal to 90 degrees, to be more precise. Chapter 6 - Triangles. 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.

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