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Important Questions for CBSE Class 10 Maths Chapter 8 - Introduction to Trigonometry - myboat139 boatplans

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All Ch 8 maths class 10 extra questions about 8 notifications ch 8 maths class 10 extra questions about be updated in this and you can apply for any Class 8 form after this and expect a great result after studying from this course!

Chapter 1 - Rational Numbers 16 videos 9 docs 3 tests What are Questinos Numbers? Video min. Test: Rational Numbers- 1 Test 10 ques 10 min. Test: Rational Numbers- 2 Test 20 ques 20 min. Points to Remember - Rational Numbers Doc 7 pages. Additive Inverse of a Number Video min. Identity Property for Addition Video min. Test: Rational Numbers- 3 Test 20 ques 20 min. Multiplicative Identity for Ch 8 maths class 10 extra questions about Numbers Video min.

Multiplicative Inverse Reciprocal of a Number Video min. Properties of Rational Numbers Doc 4 pages. Distributive Property for Rational Numbers Video min. Worksheet Questions- Rational Numbers Qustions 1 pages. Take a Dynamic Test. Chapter 2 - Linear Equations in One Variable 11 videos 13 docs 3 tests Test: Linear Equations- 1 Test 10 ques 10 min.

Examples: Word problems Part 1 Video min. Test: Linear Equations- 2 Test 20 ques 20 min. What are Linear Equations in One Variable? Examples: Word problems Part 2 Video min.

Test: Linear Equations- 3 Test 20 ques 20 min. Chapter 3 - Understanding Quadrilaterals 22 videos 11 docs 3 mathhs What are Polygons? Classification of Polygons based on Number of sides Video min. Test: Understanding Quadrilaterals- 1 Test 10 ques 10 min. Understanding Convex and Concave Polygons Video min.

Angle Sum Property of a Quadrilateral Video min. Test: Understanding Quadrilaterals- 2 Test 20 ques quesgions min.

Points to Remember- Understanding Quadrilaterals Doc Ch 3 Maths Class 10 Extra Questions Set 5 pages. What is a Regular Polygon? Some Special Parallelograms Doc 1 pages. Test: Understanding Quadrilaterals- 3 Test 20 ques 20 min. What is a Diagonal? Worksheet Questions- Understanding Quadrilaterals Ahout 2 pages. Trapezium and Kite Video min. Angle Sum Property of all Polygons Video min.

Parallelogram and its Special Cases Video min. Formative Assessment- Understanding Quadrilaterals Doc 1 pages. Properties of Parallelogram Video min. Properties of Rhombus, Rectangle and Square Video min. Examples: Properties of Parallelogram Part 1 Video min.

Examples: Properties of Parallelogram Part 2 Video min. Chapter 4 - Practical Geometry 6 videos 8 docs 3 tests Test: Practical Geometry- 1 Test 9 ques 10 min. Test: Extta Geometry- exxtra Test 40 ques 40 min.

Points to Remember - Practical Geometry Doc 2 pages. Worksheet Questions- Practical Geometry Doc 1 pages. Special Cases and Examples Video min. When 2 Diagonals and 3 Sides are Given Video min. Test: Practical Geometry- 3 Test 20 ques 20 min. When 3 Sides and 2 included Angles are Given Video min. Extra Questions- Practical Geometry Doc 1 pages. Queestions 5 - Data Handling 21 videos 9 docs 3 tests Introduction to Data Handling Video min.

Organising Data Video min. Test: Data Handling- 1 Test 10 ques 10 min. Points to Remember- Data Handling Doc 2 pages. Test: Data Handling- 2 Test 20 ques 20 min. Test: Data Handling- 3 Test 20 ques 20 min.

Formative Assessment - Data Handling Doc 1 pages. Bars with a Difference: Histograms Video min. Worksheet Questions - Data Handling Doc 3 pages. Examples: Grouped Frequency Distribution Video min. What are Pie-Charts? How to Draw Pie Charts? Interpreting Pie Charts Video min. Examples: Pie charts Video min.

What is Probability? Basic Concepts of Probability Video min. Common Problems of Probability Video min. Examples: Probability Video min. Understanding Square Numbers Video min. Finding Square of a Number Video min. What are Pythagorean Triples? Understanding Square Roots Video min. Perfect and Non Perfect Squares Video min. Examples: Properties of Squares Video min.

Examples: Patterns of Square Numbers Video min. Trick to find Pythagorean Triples Video min. Examples: Square Roots Video min. Examples: Finding Square Roots Video min. Properties of Cubes of Numbers Video min. Introduction: Hardy Ramanujan Number Video min. Rules of Writing Cube of a Number Video min. Cubes and Their Prime Factors Video min.

Examples: Perfect Cubes Video min.

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Determine the following for the given triangle:. According to the Pythagoras Theorem,. In any given right-angled triangle, the sum result of the squares of the hypotenuse side is always equal to the sum of the squares of the remaining sides. By applying Pythagoras theorem, we get. As it is known by us, sine of any given angle is equal to the overall ratio of the total length of the opposite and hypotenuse side of a triangle. Again, the cosine of an angle is equivalent to the ratio of the hypotenuse side and the adjacent side.

Question 2. In rt. Trigonometry is the study of relationships between the sides and angles of a right-angled triangle. Trigonometric ratios of an acute angle in a right triangle express the relationship between the angle and the length of its sides. 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.





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