Trig 1 lesson 4 cosine

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Defining the Cosine ratio in Trigonometry.

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Trig 1 lesson 4 cosine

  1. 1. Defining the sine, cosine and tangent ratios for angles in right-angled trianglesPart 2 - Cosine<br />
  2. 2. The Cosine Ratio<br />
  3. 3. The Cosine Ratio<br />
  4. 4. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />
  5. 5. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  6. 6. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  7. 7. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  8. 8. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  9. 9. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  10. 10. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />Remember:<br />
  11. 11. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />Remember:<br />
  12. 12. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />C<br />Remember:<br />
  13. 13. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />C<br />Remember:<br />
  14. 14. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />CA<br />Remember:<br />
  15. 15. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />CA<br />Remember:<br />
  16. 16. The Cosine Ratio<br />The Cosine of an angle is defined as the ratio between the Adjacent and the Hypotenuse<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />CAH<br />Remember:<br />
  17. 17. The Cosine Ratio<br />Remember: CAH<br />
  18. 18. The Cosine Ratio<br />Remember: CAH<br />
  19. 19. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃 is equal to 𝑎𝑑𝑗h𝑩𝑝=đȘđ«=7.038.21<br /> <br />
  20. 20. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃 is equal to 𝑎𝑑𝑗h𝑩𝑝=đȘđ«=7.038.21<br /> <br />
  21. 21. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝑎𝑑𝑗h𝑩𝑝=đȘđ«=7.038.21<br /> <br />
  22. 22. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝑎𝑑𝑗h𝑩𝑝=đȘđ«=7.038.21<br /> <br />Adjacent<br />
  23. 23. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋h𝑩𝑝=đȘđ«=7.038.21<br /> <br />Adjacent<br />
  24. 24. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋h𝑩𝑝=đȘđ«=7.038.21<br /> <br />Adjacent<br />
  25. 25. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=7.038.21<br /> <br />Adjacent<br />
  26. 26. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=7.038.21<br /> <br />Hypotenuse<br />Adjacent<br />
  27. 27. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=7.038.21<br /> <br />Hypotenuse<br />Adjacent<br />
  28. 28. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=7.038.21<br /> <br />Hypotenuse<br />Adjacent<br />
  29. 29. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=7.038.21<br /> <br />Hypotenuse<br />Adjacent<br />
  30. 30. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=𝟔𝟐.𝟏8.21<br /> <br />Hypotenuse<br />Adjacent<br />
  31. 31. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=𝟔𝟐.𝟏𝟔𝟕.𝟐<br /> <br />Hypotenuse<br />Adjacent<br />
  32. 32. The Cosine Ratio<br />Remember: CAH<br />cosine of 𝜃is equal to𝒂𝒅𝒋𝒉𝒚𝒑=đȘđ«=𝟔𝟐.𝟏𝟔𝟕.𝟐<br /> <br />Hypotenuse<br />Adjacent<br />
  33. 33. The Cosine Ratio<br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  34. 34. The Cosine Ratio<br /><br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  35. 35. The Cosine Ratio<br /><br />𝐂osine𝜃=𝑹𝑯<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  36. 36. The Cosine Ratio<br /><br />𝐂osine=𝑹𝑯<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  37. 37. The Cosine Ratio<br /><br />𝐂osine=𝑹𝑯<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  38. 38. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝑯<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  39. 39. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝑯<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  40. 40. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  41. 41. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />
  42. 42. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />ïĄ<br />
  43. 43. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osine𝜃=𝑹𝑯<br /> <br />ïĄ<br />
  44. 44. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝑹𝑯<br /> <br />ïĄ<br />
  45. 45. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝑹𝑯<br /> <br />ïĄ<br />
  46. 46. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝒄𝑯<br /> <br />ïĄ<br />
  47. 47. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝒄𝑯<br /> <br />ïĄ<br />
  48. 48. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />
  49. 49. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />
  50. 50. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  51. 51. The Cosine Ratio<br /><br />𝐂osine𝜃=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osine𝜃=𝑹𝑯<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  52. 52. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝑹𝑯<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  53. 53. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝑹𝑯<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  54. 54. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝑯<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  55. 55. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝑯<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  56. 56. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  57. 57. The Cosine Ratio<br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  58. 58. The Cosine Ratio<br /><br /><br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  59. 59. The Cosine Ratio<br /><br /><br />𝐂osine𝜃=𝑹𝑯<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  60. 60. The Cosine Ratio<br /><br /><br />𝐂osine𝛉=𝑹𝑯<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  61. 61. The Cosine Ratio<br /><br /><br />𝐂osine𝛉=𝑹𝑯<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  62. 62. The Cosine Ratio<br /><br /><br />𝐂osine𝛉=𝟑𝟐.𝟗𝑯<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  63. 63. The Cosine Ratio<br /><br /><br />𝐂osine𝛉=𝟑𝟐.𝟗𝑯<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  64. 64. The Cosine Ratio<br /><br /><br />𝐂osine𝛉=𝟑𝟐.𝟗𝟏𝟓𝟏<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  65. 65. The Cosine Ratio<br /><br /><br />𝐂osine𝛉=𝟑𝟐.𝟗𝟏𝟓𝟏<br /> <br />𝐂osine=𝟏𝟗.𝟏𝒇<br /> <br />𝐂osine𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒<br /> <br />𝐂osineïą=𝒄𝟐𝟑.𝟔<br /> <br />𝐂osineïĄ=𝒄𝒇<br /> <br />ïĄ<br />ïą<br />
  66. 66. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />
  67. 67. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />
  68. 68. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />
  69. 69. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />
  70. 70. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />
  71. 71. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />
  72. 72. The Cosine Ratio<br />Remember:<br />đ‘Ș𝑜𝑠𝑖𝑛𝑒𝜃=𝑹𝑑𝑗𝑎𝑐𝑒𝑛𝑡𝑯𝑩𝑝𝑜𝑡𝑒𝑛𝑱𝑠𝑒 ->CAH<br /> <br />

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