Circular functions and trigonometry

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

    Chapter 2 Circular functions and trigonometry ( 80 videos)  (Practice Test)

      2.1: The circle (Practice Test)
      Radian Measure of an Angle
    1. Radian Measure of an Angle
      5165 views
      2. Problem1-Radian Measure of an Angle
    2. Problem1-Radian Measure of an Angle
      1884 views
      3. Problem2-Radian Measure of an Angle
    3. Problem2-Radian Measure of an Angle
      1268 views
      4. Area of a Circular Sector
    4. Area of a Circular Sector
      3384 views
      5. Problem1-Area of a Circular Sector.
    5. Problem1-Area of a Circular Sector.
      2179 views
      6. Problem2-Area of a Circular Sector.
    6. Problem2-Area of a Circular Sector.
      726 views
      7. Problems Using Arcs and Sectors
    7. Problems Using Arcs and Sectors
      740 views
      8. More on Problems Using Arcs and Sectors
    8. More on Problems Using Arcs and Sectors
      665 views
      9. Trigonometric Ratios & Their Reciprocals
    9. Trigonometric Ratios & Their Reciprocals
      3854 views
      10. Problem1-Trigonometric Ratios & Their Reciprocals
    10. Problem1-Trigonometric Ratios & Their Reciprocals
      412 views
      11. Problem2-Trigonometric Ratios & Their Reciprocals
    11. Problem2-Trigonometric Ratios & Their Reciprocals
      2003 views
      12. Trigonometric Ratios of 45 Degree
    12. Trigonometric Ratios of 45 Degree
      6104 views
      13. Problem-Trigonometric Ratios of 45 Degree
    13. Problem-Trigonometric Ratios of 45 Degree
      2499 views
      14. Trigonometric Ratios of 30 & 60 Degree
    14. Trigonometric Ratios of 30 & 60 Degree
      5589 views
      15. Problem1-Trigonometric Ratios of 30 & 60 Degree
    15. Problem1-Trigonometric Ratios of 30 & 60 Degree
      1981 views
      16. Problem2-Trigonometric Ratios of 30 & 60 Degree
    16. Problem2-Trigonometric Ratios of 30 & 60 Degree
      817 views
      17. Trigonometric Functions for a Unit Circle
    17. Trigonometric Functions for a Unit Circle
      1094 views
      18. Values of Remaining Trigonometric Ratios
    18. Values of Remaining Trigonometric Ratios
      2183 views
      19. Values of Trigonometric Ratios at Quadrantal Angle
    19. Values of Trigonometric Ratios at Quadrantal Angle
      3344 views
      20. Problem-Values of Trigonometric Ratios at Quadrantal Angle
    20. Problem-Values of Trigonometric Ratios at Quadrantal Angle
      3425 views
      21. Values of Trigonometric Ratios
    21. Values of Trigonometric Ratios
      339 views
      22. Tables of Trigonometric Ratios
    22. Tables of Trigonometric Ratios
      1089 views
      23. Problem1-Tables of Trigonometric Ratios
    23. Problem1-Tables of Trigonometric Ratios
      3681 views
      24. Problem2-Tables of Trigonometric Ratios
    24. Problem2-Tables of Trigonometric Ratios
      348 views
      25. Problem3-Tables of Trigonometric Ratios
    25. Problem3-Tables of Trigonometric Ratios
      246 views
      26. Problem4-Tables of Trigonometric Ratios
    26. Problem4-Tables of Trigonometric Ratios
      429 views
      2.2: The Pythagorean identity
      Proof of Fundamental Trigonometric Identity
    1. Proof of Fundamental Trigonometric Identity
      6632 views
      2.3: Double angle identities for sine and cosine.
      Double Angle Identities
    1. Double Angle Identities
      1172 views
      2. Problem-Double Angle Identities
    2. Problem-Double Angle Identities
      750 views
      2.4: Relationship between trigonometric ratios. (Practice Test)
      Half Angle Identities
    1. Half Angle Identities
      942 views
      2. Problem-Half Angle Identities
    2. Problem-Half Angle Identities
      545 views
      3. Triple Angle Identities
    3. Triple Angle Identities
      711 views
      4. More on Triple Angle Identities
    4. More on Triple Angle Identities
      372 views
      5. Further on Triple Angle Identities
    5. Further on Triple Angle Identities
      297 views
      6. Problem1-Triple Angle Identities
    6. Problem1-Triple Angle Identities
      346 views
      7. Problem2-Triple Angle Identities
    7. Problem2-Triple Angle Identities
      300 views
      8. Product to Sum or Difference of Sines and Cosines
    8. Product to Sum or Difference of Sines and Cosines
      1052 views
      9. Problem-Product to Sum or Difference of Sines and Cosines
    9. Problem-Product to Sum or Difference of Sines and Cosines
      584 views
      10. Sum or Difference to Product of Sines and Cosines
    10. Sum or Difference to Product of Sines and Cosines
      597 views
      11. More on Sum or Difference to Product of Sines and Cosines
    11. More on Sum or Difference to Product of Sines and Cosines
      420 views
      12. Problem-Sum or Difference to Product of Sines and Cosines
    12. Problem-Sum or Difference to Product of Sines and Cosines
      476 views
      13. Applications of Product of Sines and Cosines
    13. Applications of Product of Sines and Cosines
      594 views
      2.5: The circular functions (Practice Test)
      Domain and Ranges of Trigonometric Functions and Fundamental Identities
    1. Domain and Ranges of Trigonometric Functions and Fundamental Identiti
      5295 views
      2. Problem1-Domain and Ranges of Trigonometric Functions and Fundamental Identities
    2. Problem1-Domain and Ranges of Trigonometric Functions and Fundamental
      2341 views
      3. Problem2-Domain and Ranges of Trigonometric Functions and Fundamental Identities
    3. Problem2-Domain and Ranges of Trigonometric Functions and Fundamental
      1219 views
      4. Problem3-Domain and Ranges of Trigonometric Functions and Fundamental Identities
    4. Problem3-Domain and Ranges of Trigonometric Functions and Fundamental
      968 views
      5. Domain and Ranges of Sine and Cosine Functions
    5. Domain and Ranges of Sine and Cosine Functions
      1519 views
      6. More on Domain and Ranges of Sine and Cosine Functions
    6. More on Domain and Ranges of Sine and Cosine Functions
      729 views
      7. Problem-Domain and Ranges of Sine and Cosine Functions
    7. Problem-Domain and Ranges of Sine and Cosine Functions
      586 views
      8. Domain and Ranges of Tangent and Cotangent Functions
    8. Domain and Ranges of Tangent and Cotangent Functions
      1159 views
      9. More on Domain and Ranges of Tangent and Cotangent Functions
    9. More on Domain and Ranges of Tangent and Cotangent Functions
      695 views
      10. Problem-Domain and Ranges of Tangent and Cotangent Functions
    10. Problem-Domain and Ranges of Tangent and Cotangent Functions
      488 views
      11. Domain and Range of Secant Function
    11. Domain and Range of Secant Function
      792 views
      12. More on Domain and Range of Secant Function
    12. More on Domain and Range of Secant Function
      410 views
      13. Domain and Ranges of Cosecant Function
    13. Domain and Ranges of Cosecant Function
      534 views
      14. More on Domain and Range of Cosecant Function
    14. More on Domain and Range of Cosecant Function
      348 views
      15. Problem-Domain and Range of Cosecant Function
    15. Problem-Domain and Range of Cosecant Function
      360 views
      16. Introduction to Period of Trigonometric Functions
    16. Introduction to Period of Trigonometric Functions
      2782 views
      17. Problem-Introduction to Period of Trigonometric Functions
    17. Problem-Introduction to Period of Trigonometric Functions
      1098 views
      18. Values of Trigonometric Functions
    18. Values of Trigonometric Functions
      591 views
      19. Problem-Values of Trigonometric Functions
    19. Problem-Values of Trigonometric Functions
      366 views
      20. Graphs of Trigonometric Functions
    20. Graphs of Trigonometric Functions
      1836 views
      21. Problem-Graphs of Trigonometric Functions
    21. Problem-Graphs of Trigonometric Functions
      919 views
      22. Problem1-Graph of y = Sin x From - 360 to 360 Degree
    22. Problem1-Graph of y = Sin x From - 360 to 360 Degree
      533 views
      23. Problem1-Graph of y = Cos x From - 360 to 360 Degree
    23. Problem1-Graph of y = Cos x From - 360 to 360 Degree
      322 views
      24. Problem2-Graph of y = Cos x From - 360 to 360 Degree
    24. Problem2-Graph of y = Cos x From - 360 to 360 Degree
      278 views
      25. Graph of y = Tan x From - 180 to 180 Degree
    25. Graph of y = Tan x From - 180 to 180 Degree
      684 views
      26. Problem-Graph of y = Tan x From - 180 to 180 Degree
    26. Problem-Graph of y = Tan x From - 180 to 180 Degree
      397 views
      27. Graph of y = Cot x From - 360 to 180 Degree
    27. Graph of y = Cot x From - 360 to 180 Degree
      380 views
      28. Problem-Graph of y = Cot x From - 360 to 180 Degree
    28. Problem-Graph of y = Cot x From - 360 to 180 Degree
      270 views
      29. Problem-Graph of y = Sec x From - 360 to 360 Degree
    29. Problem-Graph of y = Sec x From - 360 to 360 Degree
      255 views
      30. Problem-Graph of y = Cosec x From - 360 to 360 Degree
    30. Problem-Graph of y = Cosec x From - 360 to 360 Degree
      220 views
      31. Graph of Sin2A and Cos2A Where A is a Positive Constant
    31. Graph of Sin2A and Cos2A Where A is a Positive Constant
      402 views
      32. More on Graph of Sin2A and Cos2A Where A is a Positive Constant
    32. More on Graph of Sin2A and Cos2A Where A is a Positive Constant
      273 views
      33. Symmetric Properties of the Graph of SinA, CosA and TanA
    33. Symmetric Properties of the Graph of SinA, CosA and TanA
      453 views
      34. Periodic Properties of the Graph of SinA, CosA and TanA
    34. Periodic Properties of the Graph of SinA, CosA and TanA
      507 views
      35. Translation Property of the Graph of SinA, CosA and TanA
    35. Translation Property of the Graph of SinA, CosA and TanA
      446 views
      36. More on Translation Property of the Graph of SinA, CosA and TanA
    36. More on Translation Property of the Graph of SinA, CosA and TanA
      297 views
      37. Maximum and Minimum Values of Certain Trigonometric Functions
    37. Maximum and Minimum Values of Certain Trigonometric Functions
      415 views
      38. Graphical Solution of Some Trigonometric Equations
    38. Graphical Solution of Some Trigonometric Equations
      527 views