Introduction to Trigonometry

Select a chapter above and press 'Show Content'. Click a video topic below to view.

    Chapter 30 Introduction to Trigonometry (49 videos) (Practice Test) (Exercises Exercise Answers)

      30.1: Measurement of an Angle (Practice Test)
      Introduction to an Angle
    1. Introduction to an Angle
      10000 views
      2. Measuring an Angle in Sexagesimal System
    2. Measuring an Angle in Sexagesimal System
      10229 views
      3. Problem1-Measuring an Angle in Sexagesimal System
    3. Problem1-Measuring an Angle in Sexagesimal System
      2492 views
      4. Sexagesimal System into Decimal form & Vice Versa
    4. Sexagesimal System into Decimal form & Vice Versa
      6268 views
      5. Problem-Sexagesimal System into Decimal form & Vice Versa
    5. Problem-Sexagesimal System into Decimal form & Vice Versa
      1591 views
      6. Radian Measure of an Angle
    6. Radian Measure of an Angle
      5165 views
      7. Problem1-Radian Measure of an Angle
    7. Problem1-Radian Measure of an Angle
      1884 views
      8. Relationship Between Radians & Degrees
    8. Relationship Between Radians & Degrees
      4406 views
      9. Problem-Relationship Between Radians & Degrees
    9. Problem-Relationship Between Radians & Degrees
      30.2: Sector of a Circle (Practice Test)
      Relationship of Radius-Central Angle-Arc Length
    1. Relationship of Radius-Central Angle-Arc Length
      4832 views
      2. Problem1-Relationship of Radius-Central Angle-Arc Length
    2. Problem1-Relationship of Radius-Central Angle-Arc Length
      2380 views
      3. Area of a Circular Sector
    3. Area of a Circular Sector
      3384 views
      4. Problem1-Area of a Circular Sector.
    4. Problem1-Area of a Circular Sector.
      2179 views
      30.3: Trigonometric Ratios (Practice Test)
      General Angles
    1. General Angles
      6051 views
      2. Angle in Standard Position
    2. Angle in Standard Position
      3513 views
      3. Problem-Angle in Standard Position
    3. Problem-Angle in Standard Position
      2337 views
      4. The Quadrants & Quadrantal Angles
    4. The Quadrants & Quadrantal Angles
      3308 views
      5. Problem-The Quadrants & Quadrantal Angles
    5. Problem-The Quadrants & Quadrantal Angles
      2606 views
      6. Trigonometric Ratios & Their Reciprocals
    6. Trigonometric Ratios & Their Reciprocals
      3854 views
      7. Problem2-Trigonometric Ratios & Their Reciprocals
    7. Problem2-Trigonometric Ratios & Their Reciprocals
      2003 views
      8. Trigonometric Ratios of 45 Degree
    8. Trigonometric Ratios of 45 Degree
      6104 views
      9. Problem-Trigonometric Ratios of 45 Degree
    9. Problem-Trigonometric Ratios of 45 Degree
      2499 views
      10. Trigonometric Ratios of 30 & 60 Degree
    10. Trigonometric Ratios of 30 & 60 Degree
      5589 views
      11. Problem1-Trigonometric Ratios of 30 & 60 Degree
    11. Problem1-Trigonometric Ratios of 30 & 60 Degree
      1981 views
      12. Problem2-Trigonometric Ratios of 30 & 60 Degree
    12. Problem2-Trigonometric Ratios of 30 & 60 Degree
      817 views
      13. Signs of Trigonometric Ratios in Different Quadrants
    13. Signs of Trigonometric Ratios in Different Quadrants
      4060 views
      14. Problem1-Signs of Trigonometric Ratios in Different Quadrant
    14. Problem1-Signs of Trigonometric Ratios in Different Quadrant
      2081 views
      15. Values of Remaining Trigonometric Ratios
    15. Values of Remaining Trigonometric Ratios
      2183 views
      16. Values of Trigonometric Ratios at Quadrantal Angle
    16. Values of Trigonometric Ratios at Quadrantal Angle
      3344 views
      17. Problem-Values of Trigonometric Ratios at Quadrantal Angle
    17. Problem-Values of Trigonometric Ratios at Quadrantal Angle
      3425 views
      30.4: Trigonometric Identities (Practice Test)
      Proof of Fundamental Trigonometric Identity
    1. Proof of Fundamental Trigonometric Identity
      6632 views
      2. Problem1-Proof of Fundamental Trigonometric Identity
    2. Problem1-Proof of Fundamental Trigonometric Identity
      4231 views
      3. More on Fundamental Trigonometric Identity
    3. More on Fundamental Trigonometric Identity
      2756 views
      4. Problem2-Proof of Fundamental Trigonometric Identity
    4. Problem2-Proof of Fundamental Trigonometric Identity
      2247 views
      5. Problem3-Proof of Fundamental Trigonometric Identity
    5. Problem3-Proof of Fundamental Trigonometric Identity
      1984 views
      6. Problem4-Proof of Fundamental Trigonometric Identity
    6. Problem4-Proof of Fundamental Trigonometric Identity
      1925 views
      7. Problem6-Proof of Fundamental Trigonometric Identity
    7. Problem6-Proof of Fundamental Trigonometric Identity
      1933 views
      30.5: Angle of Elevation and Angle of Depression (Practice Test)
      Concept of Angle of Elevation & Depression
    1. Concept of Angle of Elevation & Depression
      3762 views
      2. Problem-Concept of Angle of Elevation & Depression
    2. Problem-Concept of Angle of Elevation & Depression
      2307 views
      3. Word problem when one Side and Angle of Elevation are Given
    3. Word problem when one Side and Angle of Elevation are Given
      2256 views
      4. Heights and Distances
    4. Heights and Distances
      2217 views
      5. Problem-Heights and Distances
    5. Problem-Heights and Distances
      982 views
      6. Word problem when one Side and Angle of Depression are Given
    6. Word problem when one Side and Angle of Depression are Given
      1327 views
      7. Problem1-when One Side & Angle of Depression are Given
    7. Problem1-when One Side & Angle of Depression are Given
      1286 views
      8. Word problem when Hypotenuse and Angle of Elevation are Given
    8. Word problem when Hypotenuse and Angle of Elevation are Given
      1016 views
      9. Problem-when Hypotenuse & Angle of Elevation are Given
    9. Problem-when Hypotenuse & Angle of Elevation are Given
      991 views
      10. Word Problem with given Sides-Angle of Elevation-Depression
    10. Word Problem with given Sides-Angle of Elevation-Depression
      1016 views
      11. Problem1-when Given Sides-Angle of Elevation-Depression
    11. Problem1-when Given Sides-Angle of Elevation-Depression
      1387 views
      12. Problem2-when Given Sides-Angle of Elevation-Depression
    12. Problem2-when Given Sides-Angle of Elevation-Depression
      1074 views