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KierseyClemons

  • 2 years ago

what is the ratio of said triangle

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  1. dan815
    • 2 years ago
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    Tan b = Opposite side / adjascent side

  2. dan815
    • 2 years ago
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    remember SOH CAH TOA

  3. dan815
    • 2 years ago
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    Sin B = O/H Cos B = A/H Tan B = O/A

  4. dan815
    • 2 years ago
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    close

  5. dan815
    • 2 years ago
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    you are doing A/O

  6. dan815
    • 2 years ago
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    o=opposite a=adjecsent h=hypotenuse

  7. dan815
    • 2 years ago
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    |dw:1368527552204:dw|

  8. dan815
    • 2 years ago
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    the line opposite the right angle is always hypotenuse

  9. dan815
    • 2 years ago
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    yes

  10. KierseyClemons
    • 2 years ago
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    haha thanks took me a while but I think I got ti

  11. dan815
    • 2 years ago
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    dont worry about it, it seems a little confusing at first, but its gonna be really easy soon

  12. KierseyClemons
    • 2 years ago
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    I have a few more if you don't mind? It's really hard for me to find help

  13. dan815
    • 2 years ago
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    well u know how to do it now dont you

  14. dan815
    • 2 years ago
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    just say the word Sohcahtoa

  15. dan815
    • 2 years ago
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    okay this is a soh cah toa problem again

  16. dan815
    • 2 years ago
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    what is sin x and cos x

  17. dan815
    • 2 years ago
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    |dw:1368527902011:dw|

  18. dan815
    • 2 years ago
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    hello?

  19. KierseyClemons
    • 2 years ago
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    sorry browser closed out on me

  20. dan815
    • 2 years ago
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    thats fine, so look at that diagram

  21. dan815
    • 2 years ago
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    remember SohCah Toa

  22. agent0smith
    • 2 years ago
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    @KierseyClemons did you pick AB/BC for the first one? That's not correct for tanB... tan is opposite/adjacent - the opposite is AC, the adjacent is AB.

  23. KierseyClemons
    • 2 years ago
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    Oh ok wow thanks

  24. KierseyClemons
    • 2 years ago
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    so OH

  25. KierseyClemons
    • 2 years ago
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    For the second?

  26. KierseyClemons
    • 2 years ago
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    I mean A

  27. dan815
    • 2 years ago
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    yes good now what is OA = ?

  28. dan815
    • 2 years ago
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    O/A = ?

  29. dan815
    • 2 years ago
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    soh cah toa remember soh cah toa

  30. KierseyClemons
    • 2 years ago
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    wait what does that mean?

  31. dan815
    • 2 years ago
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    S oh --->Sin of Angle = O/H C ah ---->Cos of Angle = A/H T oa ---> Tan of angle = O/A

  32. dan815
    • 2 years ago
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    just remember it like 1 word, dont forget it

  33. dan815
    • 2 years ago
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    SOHCAHTOA, you will use this forever

  34. KierseyClemons
    • 2 years ago
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    kinda hard to remember that But i'll try

  35. dan815
    • 2 years ago
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    just think of it as 1 word xD

  36. dan815
    • 2 years ago
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    you just met a friend today, her name was Sohcahtoa are you gonna forget her name >_>

  37. agent0smith
    • 2 years ago
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    Also remember this one too:\[\huge\tan x =\frac{ \sin x }{ \cos x }\]

  38. dan815
    • 2 years ago
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    she just proved that lol

  39. KierseyClemons
    • 2 years ago
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    ?

  40. dan815
    • 2 years ago
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    nope

  41. agent0smith
    • 2 years ago
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    Opposite of A is 15. Adjacent is 8.

  42. dan815
    • 2 years ago
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    look at the line that is not touching angle A that is opposite

  43. dan815
    • 2 years ago
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    yep

  44. KierseyClemons
    • 2 years ago
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    Yay! I'm getting there lol

  45. agent0smith
    • 2 years ago
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    I wouldn't have given you a medal if you were wrong :P

  46. KierseyClemons
    • 2 years ago
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    So is it the same thing for cos?

  47. agent0smith
    • 2 years ago
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    Cos is adjacent/hypotenuse.

  48. dan815
    • 2 years ago
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    okay hold on

  49. dan815
    • 2 years ago
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    |dw:1368528962087:dw|

  50. KierseyClemons
    • 2 years ago
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    k|dw:1368529054886:dw|

  51. agent0smith
    • 2 years ago
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    |dw:1368529107736:dw| Hypotenuse is always the longest side, and always opposite the right angle (90 degree angle)

  52. agent0smith
    • 2 years ago
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    Adjacent is the side that touches the angle (NOT the hypotenuse)

  53. dan815
    • 2 years ago
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    yes

  54. dan815
    • 2 years ago
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    remember that triangle and remember your friends name SOHCAHTOA the spelling will tell you O= opposite H = hypotenuse A=adajscent

  55. dan815
    • 2 years ago
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    no

  56. dan815
    • 2 years ago
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    |dw:1368529372429:dw|

  57. dan815
    • 2 years ago
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    |dw:1368529425551:dw|

  58. dan815
    • 2 years ago
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    look at this diagram can you lable the opposite and adjacent side to b?

  59. KierseyClemons
    • 2 years ago
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    |dw:1368529463166:dw|

  60. dan815
    • 2 years ago
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    here, just watch this http://www.youtube.com/watch?v=F21S9Wpi0y8

  61. dan815
    • 2 years ago
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    he will explain to you clearly :)

  62. agent0smith
    • 2 years ago
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    hypotenuse is always the longest side. Always. It doesn't change, ever.

  63. dan815
    • 2 years ago
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    yes, but please watch that video

  64. KierseyClemons
    • 2 years ago
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    I did :) that's how I got that lol

  65. dan815
    • 2 years ago
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    ok good :)

  66. dan815
    • 2 years ago
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    you can watch all our math from that guy, he will teach you everything u need to know

  67. KierseyClemons
    • 2 years ago
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    I'll put onne more up and I think Ive gtten it down pretty much

  68. agent0smith
    • 2 years ago
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    Yes.

  69. KierseyClemons
    • 2 years ago
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    :)

  70. agent0smith
    • 2 years ago
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    To make sure, tell us cosA and tanA

  71. KierseyClemons
    • 2 years ago
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    Of that same angle right?

  72. dan815
    • 2 years ago
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    yes

  73. agent0smith
    • 2 years ago
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    Then, tell us sinB, cosB and tanB.

  74. dan815
    • 2 years ago
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    agent smith is a real tutor, u got home work already

  75. KierseyClemons
    • 2 years ago
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    cosA= 5/13 tanA= 12/5

  76. agent0smith
    • 2 years ago
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    Excellent. Now: sinB, cosB and tanB.

  77. KierseyClemons
    • 2 years ago
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    Sinb=5/13 cosB= 12/13 tanB= 5/12

  78. dan815
    • 2 years ago
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    good job:)

  79. agent0smith
    • 2 years ago
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    Excellent!

  80. KierseyClemons
    • 2 years ago
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    Yay! I got it lol that video really helped! You guys are awesome!

  81. dan815
    • 2 years ago
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    ya keep watching that guys stuff! he is a very good teacher

  82. KierseyClemons
    • 2 years ago
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    I will thanks! Just subscribed lol

  83. dan815
    • 2 years ago
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    i still watch him and iam in university

  84. dan815
    • 2 years ago
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    lol

  85. KierseyClemons
    • 2 years ago
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    I'm deff gonna be watching him when I get there lol

  86. dan815
    • 2 years ago
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    yep, what grade are you in?

  87. KierseyClemons
    • 2 years ago
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    10th :)

  88. dan815
    • 2 years ago
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    ah ok still a long ways off! i remember those grade 10 days

  89. dan815
    • 2 years ago
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    hahah too fresh

  90. KierseyClemons
    • 2 years ago
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    Haha!

  91. dan815
    • 2 years ago
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    just remember studies are really easy!! dont forget it and ull continue to do good.. the day you believe its too hard, u will start to do bad!

  92. KierseyClemons
    • 2 years ago
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    I might need help with these still tho

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  93. KierseyClemons
    • 2 years ago
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    because it's not a picture

  94. agent0smith
    • 2 years ago
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    For that you might want to use a 30-60-90 triangle: http://www.freemathhelp.com/images/lessons/triangle306090-3.gif

  95. KierseyClemons
    • 2 years ago
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    Thank you!

  96. agent0smith
    • 2 years ago
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    Cos 30, cos 60, sin30, sin60 ... these should all be easy to find from that picture. If you need cos 45 or sin45, use this: http://www.biology.arizona.edu/biomath/tutorials/trigonometric/graphics/trig_45_45_90.gif

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