Trigonometry

Chapter 15: Trigonometry (38 videos)   (Practice Test)

15.1: Introduction

1. Meaning and Importance of Trigonometry
2. Problem 1: Meaning and Importance of Trigonometry

15.2: Trigonometric Ratios of Acute Angles

1. Trigonometric Ratios of an Acute Angle
2. Problem 1: Trigonometric Ratios of an Acute Angle

15.3: Values of Trigonometric Ratios of Angles of 45, 30 And 60 Degree.  (Practice Test)

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

15.4: Relations Between Trigonometric Ratios of the Complementary Angles.

1. Trigonometric Ratios of an Complementary Angles
2. Problem 1: Trigonometric Ratios of an Complementary Angles

15.5: Fundamental Trigonometric Identities  (Practice Test)

1. Proof of Fundamental Trigonometric Identity
2. Problem 1: Proof of Fundamental Trigonometric Identity
3. More on Fundamental Trigonometric Identity
4. Problem 2: More on Fundamental Trigonometric Identity
5. Problem 3: More on Fundamental Trigonometric Identity
6. Problem 4: More on Fundamental Trigonometric Identity
7. Problem 1: More on Fundamental Trigonometric Identity

15.6: Solution of a Right Triangle  (Practice Test)

1. When measures of one side and one angle are given
2. Problem 1: When measures of one side and one angle are given
3. when measures of hypotenuse and one Acute angle are given
4. Problem 1: when measures of hypotenuse and one angle are given
5. When measures of two sides are given
6. Problem 1: When measures of two sides are given
7. When measures of hypotenuse and one side are given
8. Problem 1: When measures of hypotenuse and one side are given

15.7: Finding Heights and Distances by Using Trigonometric Ratios  (Practice Test)

1. Concept of Angle of Elevation & Depression
2. Problem 1: Concept of Angle of Elevation & Depression
3. when one Side & Angle of Elevation are Given
4. Problem 1: when one Side & Angle of Elevation are Given
5. Problem 2: when one Side & Angle of Elevation are Given
6. when One Side & Angle of Depression are Given
7. Problem 1: when One Side & Angle of Depression are Given
8. when Hypotenuse & Angle of Elevation are Given
9. Problem 1: when Hypotenuse & Angle of Elevation are Given
10. when Given Sides-Angle of Elevation-Depression
11. Problem 1: when Given Sides-Angle of Elevation-Depression
12. Problem 2: when Given Sides-Angle of Elevation-Depression