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  2. Class 10
  3. Introduction to Trigonometry
  4. Trigonometric Ratios
  5. If One Trigonometric Ratio is known (or evident) for an Angle, Evaluate Expressions Involving Other Trigonometric Ratios of the Other Acute Angle in a Right-Triangle
Class 10
1. Real Numbers
2. Polynomials
3. Pair of Linear Equations in Two Variables
4. Quadratic Equations
5. Arithmetic Progressions
6. Triangles
7. Coordinate Geometry
8. Introduction to Trigonometry
8.1. Trigonometric Ratios
8.1.1. Trigonometric Ratios of an Acute Angle of a Right-Triangle
8.1.2. Reciprocal Relation Between Trigonometric Ratios
8.1.3. Quotient Relation of Trigonometric Ratios
8.1.4. If One Trigonometric Ratio (or evident) is known for an Angle, Find Other Trigonometric Ratios of that Angle
8.1.5. If One Trigonometric Ratio (or evident) is known for an Angle, Find Other Trigonometric Ratios of the Other Acute Angle in a Right-Triangle
8.1.6. If One Trigonometric Ratio is known (or evident) for an Angle, Evaluate Expressions Involving Other Trigonometric Ratios of that Angle
8.1.7. If One Trigonometric Ratio is known (or evident) for an Angle, Evaluate Expressions Involving Other Trigonometric Ratios of the Other Acute Angle in a Right-Triangle
8.1.8. Square Relation of Trigonometric Ratios
8.2. Trigonometric Ratios of Angles 0°, 30°, 45°, 60°, and 90°
8.3. Trigonometric Ratios of Complementary Angles
8.4. Trigonometric Identities
9. Some Applications of Trigonometry
10. Circles
11. Constructions
12. Areas Related to Circle
13. Surface Areas and Volumes
14. Statistics
15. Probability

Class 10 NCERT (CBSE and ICSE) If One Trigonometric Ratio is known (or evident) for an Angle, Evaluate Expressions Involving Other Trigonometric Ratios of the Other Acute Angle in a Right-Triangle

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