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Trigonometric Functions

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Trigonometric Functions. Radian. The measure of an angle subtended at the centre of a circle by an arc equal to its radius is defined as one radian . Radian Measure. (A) Conversion between Degrees and Radians. Radian Measure. (B) Length of Arc (s) and Area Sector (A). Radian Measure.

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Trigonometric Functions

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  1. Trigonometric Functions

  2. Radian The measure of an angle subtended at the centre of a circle by an arc equal to its radius is defined as one radian.

  3. Radian Measure (A) Conversion between Degrees and Radians

  4. Radian Measure (B) Length of Arc (s) and Area Sector (A)

  5. Radian Measure

  6. Exercise 5.1 P.145

  7. Trigonometric Functions of Angles of Any Magnitude

  8. Sign of the Trigonometric Functions

  9. Sign of the Trigonometric Functions

  10. Sign of the Trigonometric Functions

  11. (A) Quotient and Reciprocal relations

  12. Sign of the Trigonometric Functions

  13. Sign of the Trigonometric Functions

  14. Sign of the Trigonometric Functions

  15. (B) Square Relations sin2θ + cos2θ= 1 sec2θ－ tan2θ = 1 cosec2θ－cot2θ= 1

  16. Exercise 5.2 P.154

  17. (C) Functions of (90o - ) or (/2 - )

  18. (C) Functions of (90o - ) or (/2 - )

  19. (C) Functions of (90o - ) or (/2 - )

  20. (C) Functions of (90o - ) or (/2 - )

  21. (C) Functions of (90o - ) or (/2 - )

  22. (C) Functions of (90o - ) or (/2 - )

  23. (D)Functions of (180o - ) or ( - )

  24. (D)Functions of (180o - ) or ( - )

  25. (D)Functions of (180o - ) or ( - )

  26. (D)Functions of (180o - ) or ( - )

  27. (D)Functions of (180o - ) or ( - )

  28. (D)Functions of (180o - ) or ( - )

  29. (E)Functions of (90o + ) or (/2 + )

  30. (E)Functions of (90o + ) or (/2 + )

  31. (E)Functions of (90o + ) or (/2 + )

  32. (E)Functions of (90o + ) or (/2 + )

  33. (E)Functions of (90o + ) or (/2 + )

  34. (E)Functions of (90o + ) or (/2 + )

  35. (F)Functions of (- )

  36. (F)Functions of (- )

  37. (F)Functions of (- )

  38. (F)Functions of (- )

  39. (F)Functions of (- )

  40. (F)Functions of (- )

  41. Trigonometric Functions

  42. Trigonometric Functions

  43. Trigonometric Functions

  44. Exercise 5.3 P.161

  45. Simple Trigonometric Equations

  46. Rule : Try to change the functions of the equation containing one function only.

  47. Exercise 5.4 P.169

  48. The graphs of Trigonometric Functions

  49. (A) The Graph of y = sin

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