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Introduction to Trigonometry
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All Chapters
Chapter 1: Quadratic Equations
Chapter 2: Theory of Quadratic Equations
Chapter 3: Variations
Chapter 4: Partial Fractions
Chapter 5: Sets and Functions
Chapter 6: Basic Statistics
Chapter 7: Introduction to Trigonometry
Chapter 8: Projection of a Side of a Triangle
Chapter 9: Chords of a Circle
Chapter 10: Tangent to a Circle
Chapter 11: Chords and Arcs
Chapter 12: Angle in a Segment of a Circle
Chapter 13: Practical Geometry- Circles
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Chapter 7: Introduction to Trigonometry (
43 videos
)
  (
Practice Test
)
7.1: Measurement of an Angle  (
Practice Test
)
Introduction to an Angle
Measuring an Angle in Sexagesimal System
Sexagesimal System into Decimal form & Vice Versa
Radian Measure of an Angle
Relationship Between Radians & Degrees.
7.2: Sector of a Circle  (
Practice Test
)
Relationship of Radius-Central Angle-Arc Length
Problem 1: Relationship of Radius-Central Angle-Arc Length
Area of a Circular Sector.
Problem 1: Area of a Circular Sector.
7.3: Trigonometric Ratios  (
Practice Test
)
General Angles
Problem-Angle in Standard Position
Angle in Standard Position.
Problem-The Quadrants & Quadrantal Angles
The Quadrants & Quadrantal Angles
Problem-Trigonometric Ratios & Their Reciprocals
Trigonometric Ratios & Their Reciprocals
Trigonometric ratios of 45 degree
Problem 1: Trigonometric ratios of 45 degree
Trigonometric ratios of 30 degree and 60 degree
Problem 1: Trigonometric ratios of 30 degree and 60 degree
Signs of Trigonometric Ratios in Different Quadrants
Values of Remaining Trigonometric Ratios
Values of Trigonometric Ratios at Quadrantal Angle
Problem-Values of Trigonometric Ratios at Quadrantal Angle
7.4: Trigonometric Identities  (
Practice Test
)
Proof of Fundamental Trigonometric Identity
Problem 1: Proof of Fundamental Trigonometric Identity
More on Fundamental Trigonometric Identity
Problem 1: More on Fundamental Trigonometric Identity
Problem 2: More on Fundamental Trigonometric Identity
Problem 3: More on Fundamental Trigonometric Identity
Problem 4: More on Fundamental Trigonometric Identity
7.5: Angle of Elevation and Angle of Depression  (
Practice Test
)
Concept of Angle of Elevation & Depression
Problem 1: Concept of Angle of Elevation & Depression
when one Side & Angle of Elevation are Given
Problem 1: when one Side & Angle of Elevation are Given
Problem 2: when one Side & Angle of Elevation are Given
when One Side & Angle of Depression are Given
Problem 1: when One Side & Angle of Depression are Given
when Hypotenuse & Angle of Elevation are Given
Problem 1: when Hypotenuse & Angle of Elevation are Given
when Given Sides-Angle of Elevation-Depression
Problem 1: when Given Sides-Angle of Elevation-Depression
Problem 2: when Given Sides-Angle of Elevation-Depression
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