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Videos on trigonometry. Watch the

Self-Study Content
  1. Basic Trigonometry

    More free lessons at: http://www.khanacademy.org/video?v=Jsiy4TxgIME Introduction to trigonometry

  2. Basic Trigonometry II

    More free lessons at: http://www.khanacademy.org/video?v=G-T_6hCdMQc A few more examples using SOH

  3. Radians and degrees

    More free lessons at: http://www.khanacademy.org/video?v=9zspW8u6kQM What a radian is. Converting

  4. Using Trig Functions

    Using Trigonometric functions to solve the sides of a right triangle

  5. Using Trig Functions Part II

    A couple of more examples of using Trig functions to solve the sides of a triangle.

  6. The unit circle definition of trigonometric function

    Using the unit circle to extend the SOH CAH TOA definition of the basic trigonometric functions.

  7. Unit Circle Definition of Trig Functions

    Using the unit circle to define the sine, cosine, and tangent functions

  8. Graph of the sine function

    Using the unit circle definition of the sine function to make a graph of it.

  9. Graphs of trig functions

    Exploring the graphs of trig functions

  10. Graphing trig functions

    Analyzing the amplitude and periods of the sine and cosine functions.

  11. More trig graphs

    Determining the equations of trig functions by inspecting their graphs.

  12. Determining the equation of a trigonometric function

    Determining the amplitude and period of sine and cosine functions.

  13. Trigonometric Identities

    Introduction to trigonometric identities

  14. Proof: sin(a+b) = (cos a)(sin b) + (sin a)(cos b)

    More free lessons at: http://www.khanacademy.org/video?v=zw0waJCEc-w Proof of the trig identity sin

  15. Proof: cos(a+b) = (cos a)(cos b)-(sin a)(sin b)

    More free lessons at: http://www.khanacademy.org/video?v=V3-xCPDzQ1Q Proof of the trig identity: co

  16. Trig identities part 2 (parr 4 if you watch the proofs)

    More free lessons at: http://www.khanacademy.org/video?v=ZWSoyUxAQW0 More playing around with trig

  17. Trig identies part 3 (part 5 if you watch the proofs)

    More free lessons at: http://www.khanacademy.org/video?v=JXCiFbEMTZ4 Continuation of the playing ar

  18. Trigonometry word problems (part 1)

    More free lessons at: http://www.khanacademy.org/video?v=1vamogV81Y8 The first part of a problem wh

  19. Trigonometry word problems (part 2)

    More free lessons at: http://www.khanacademy.org/video?v=4CNnPgabrLE The second part of the problem

  20. Law of cosines

    More free lessons at: http://www.khanacademy.org/video?v=pGaDcOMdw48 Introduction to the law of cos

  21. Navigation Word Problem

    More free lessons at: http://www.khanacademy.org/video?v=XTWZ_M8d-4g Trigonometry problem involving

  22. Proof: Law of Sines

    More free lessons at: http://www.khanacademy.org/video?v=APNkWrD-U1k A simple proof of the Law of S

  23. Ferris Wheel Trig Problem

    More free lessons at: http://www.khanacademy.org/video?v=clXSqjs1wgQ Trigonometry problems dealing

  24. Ferris Wheel Trig Problem (part 2)

    More free lessons at: http://www.khanacademy.org/video?v=_Kw4hLGMkm4 Part 2 of the ferris wheel pro

  25. Fun Trig Problem

    More free lessons at: http://www.khanacademy.org/video?v=itpI12TeNIg A trig problem involving the q

  26. Polar Coordinates 1

    More free lessons at: http://www.khanacademy.org/video?v=jexMSlSDubM Introduction to polar coordina

  27. Polar Coordinates 2

    More free lessons at: http://www.khanacademy.org/video?v=zGpbSGj_vfE Conversion from Cartesian to P

  28. Polar Coordinates 3

    More free lessons at: http://www.khanacademy.org/video?v=9iqN12hCn10 Converting between Cartesian a

  29. Inverse Trig Functions: Arcsin

    More free lessons at: http://www.khanacademy.org/video?v=JGU74wbZMLg Introduction to the inverse tr

  30. Inverse Trig Functions: Arctan

    More free lessons at: http://www.khanacademy.org/video?v=Idxeo49szW0 Understanding the arctan or in

  31. Inverse Trig Functions: Arccos

    More free lessons at: http://www.khanacademy.org/video?v=eTDaJ4ebK28 Understanding the inverse cosi

  32. Trigonometry Identity Review/Fun

    More free lessons at: http://www.khanacademy.org/video?v=a70-dYvDJZY Revisiting the proofs of some

  33. Tau versus Pi

    More free lessons at: http://www.khanacademy.org/video?v=1jDDfkKKgmc Why Tau might be a better numb

  34. IIT JEE Trigonometry Problem 1

    More free lessons at: http://www.khanacademy.org/video?v=X7GT9JKoAbo 2010 IIT JEE Paper I #29 Trigo

  35. IIT JEE Trigonometric Maximum

    More free lessons at: http://www.khanacademy.org/video?v=tzR9jUCSniQ 2010 IIT JEE Paper 1 Problem 4

  36. IIT JEE Trigonometric Constraints

    More free lessons at: http://www.khanacademy.org/video?v=EjtjdJZ2x8w 2010 IIT JEE Paper 1 Problem 4

  37. Trigonometric System Example

    More free lessons at: http://www.khanacademy.org/video?v=Y2ed-g8Lpdc 2010 IIT JEE Paper 1 Problem 5

  38. 2003 AIME II Problem 11.avi

    More free lessons at: http://www.khanacademy.org/video?v=smtrrefmC40 A little trigonometry to figur

  39. 2003 AIME II Problem 14

    More free lessons at: http://www.khanacademy.org/video?v=Ec-BKdC8vOo Trigonometry and geometry to f


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