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Chapter 9: Fundamentals of Trigonometry (32 videos)

9.1: Introduction
1. Introduction to an Angle
2. Measuring an Angle in Sexagesimal System
3. Problem1-Measuring an Angle in Sexagesimal System
4. Sexagesimal System into Decimal form & Vice Versa
5. Problem-Sexagesimal System into Decimal form & Vice Versa
 
9.2: Radian Measure
1. Radian Measure of an Angle
2. Problem-Radian Measure of an Angle
3. Problem2-Radian Measure of an Angle
 
9.3: General and Its Measure in Degree and Radians
1. General Angles
2. Problem-General Angles
 
9.4: Relation Between Radian and Degree Measure
1. Relationship Between Radians & Degrees.
 
9.5: Relation Between Arc-Length, Radius and General Angle
1. Relationship of Radius-Central Angle-Arc Length
2. Problem 1: Relationship of Radius-Central Angle-Arc Length
3. Problem2-Relationship of Radius-Central Angle-Arc Length
4. Area of a Circular Sector.
5. Problem 1: Area of a Circular Sector.
6. Problem2-Area of a Circular Sector.
7. Problems Using Arcs and Sectors
8. More on Problems Using Arcs and Sectors
 
9.6: The Radian Function
1. The Radian Function
 
9.7: Signs of the Trigonometric Function in the Four Quadrants
1. Signs of Trigonometric Ratios in Different Quadrants
2. Problem-Signs of Trigonometric Ratios in Different Quadrant
3. Problem2-Signs of Trigonometric Ratios in Different Quadrant
4. Trigonometric Functions for a Unit Circle
5. Values of Remaining Trigonometric Ratios
6. Values of Trigonometric Ratios at Quadrantal Angle
7. Problem-Values of Trigonometric Ratios at Quadrantal Angle
 
9.8: Values of Trigonometric Functions
1. Trigonometric ratios of 45 degree
2. Problem 1: Trigonometric ratios of 45 degree
3. Trigonometric ratios of 30 degree and 60 degree
4. Problem 1: Trigonometric ratios of 30 degree and 60 degree
5. Problem 2: Trigonometric ratios of 30 degree and 60 degree
 

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