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schoolkillsme

  • 3 years ago

Determine the measure of x

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  1. schoolkillsme
    • 3 years ago
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    |dw:1358388607551:dw|

  2. schoolkillsme
    • 3 years ago
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    Using trigg .. how would you determine the value of x ?

  3. Kuoministers
    • 3 years ago
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    use cos rule

  4. schoolkillsme
    • 3 years ago
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    yee but how would I plug everything in.. I did it on my test and got it wrong :/

  5. Kuoministers
    • 3 years ago
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    you just plug it in LOL!!! make sure when you get your answer you need to do inverse cos?

  6. Kuoministers
    • 3 years ago
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    what did you get as answer? and what is real answer?

  7. schoolkillsme
    • 3 years ago
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    lmaao I sound dumb but its actually confusing to me :$ I did it and he wrote "bad form" ? I got 1 out of 3 marks .

  8. Kuoministers
    • 3 years ago
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    can you pls show me your working out?

  9. Kuoministers
    • 3 years ago
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    you gotta make sure that 17cm is C

  10. schoolkillsme
    • 3 years ago
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    yee i put 17 cm as c .. im confused as to how you know its c ?

  11. Kuoministers
    • 3 years ago
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  12. schoolkillsme
    • 3 years ago
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    ohh okk !

  13. Kuoministers
    • 3 years ago
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    you want to find x right? so x has to be c and opposite x is C got it!!??

  14. Kuoministers
    • 3 years ago
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    try again and lets see what answer you got?

  15. schoolkillsme
    • 3 years ago
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    ok im gonna try it

  16. schoolkillsme
    • 3 years ago
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  17. schoolkillsme
    • 3 years ago
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    Is this correct? @kuoministers

  18. schoolkillsme
    • 3 years ago
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    when i got the decimal, i did the inverse of cos

  19. Kuoministers
    • 3 years ago
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    YES!!! but it needs to be in degrees. still right

  20. schoolkillsme
    • 3 years ago
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    YES! thank you, its gonna help alot for my exam tommoro :)

  21. Kuoministers
    • 3 years ago
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    cheers :)

  22. Kuoministers
    • 3 years ago
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    ill give you another tip

  23. schoolkillsme
    • 3 years ago
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    Please do!

  24. Kuoministers
    • 3 years ago
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    if the side is the longest the angle will also be the largest because often question ask to find the largest angle

  25. Kuoministers
    • 3 years ago
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    the angle opposite to that side sorry

  26. schoolkillsme
    • 3 years ago
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    ok understood, thank you!

  27. Kuoministers
    • 3 years ago
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    eg... on your question the angle opposite 21 will be the largest. which is angle y

  28. schoolkillsme
    • 3 years ago
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    ok wait I have another question, give me a few more mins please

  29. schoolkillsme
    • 3 years ago
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  30. Kuoministers
    • 3 years ago
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    for this you need the sin rule

  31. schoolkillsme
    • 3 years ago
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    does this have the same kind of concept?

  32. schoolkillsme
    • 3 years ago
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    okk

  33. Kuoministers
    • 3 years ago
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    you need to know all the sin and cos rules

  34. Kuoministers
    • 3 years ago
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  35. schoolkillsme
    • 3 years ago
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    okk I understand that very well now how about for this question ? how would you solve it.. it has 2 parts

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  36. schoolkillsme
    • 3 years ago
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    it includes the angle of depression

  37. Kuoministers
    • 3 years ago
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    ahaha this question is long :P

  38. Kuoministers
    • 3 years ago
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  39. Kuoministers
    • 3 years ago
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    that angle is 8 degree btw

  40. schoolkillsme
    • 3 years ago
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    I knooow LOOL :p sorrrry .. i have liek a million questions but I dont wanna be annoying! honestly my teacher's no help at all and I have my exam tommoroe :$ Thank you soo much for your help tho!

  41. schoolkillsme
    • 3 years ago
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    ohh ok

  42. Kuoministers
    • 3 years ago
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  43. Kuoministers
    • 3 years ago
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    do you know how to solve it now? or do i need to go further?

  44. schoolkillsme
    • 3 years ago
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    Mind going further? How did you get 8 ?

  45. Kuoministers
    • 3 years ago
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    my bad its 98 IM SORRY >.<

  46. schoolkillsme
    • 3 years ago
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    yes that makes more sence :)

  47. Kuoministers
    • 3 years ago
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    im solving 4 question at once and my own HW...

  48. Kuoministers
    • 3 years ago
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  49. schoolkillsme
    • 3 years ago
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    WOOW you can multitask x2

  50. Kuoministers
    • 3 years ago
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    calculus homework isnt fun... try to avoid it :D

  51. schoolkillsme
    • 3 years ago
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    I have to take calculus and functions and all that jazz .. I want to be a dentist ! we need all that LOL *sigh*

  52. Kuoministers
    • 3 years ago
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    you are in year 9-10 i presume?

  53. Kuoministers
    • 3 years ago
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    oh understand how to do part a) now?

  54. schoolkillsme
    • 3 years ago
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    using cos rule for the triangle in red will help get the distance right ?

  55. Kuoministers
    • 3 years ago
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    yes

  56. schoolkillsme
    • 3 years ago
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    yees and yees 10

  57. Kuoministers
    • 3 years ago
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    sorry if its extremely messy now

  58. schoolkillsme
    • 3 years ago
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    no dw its not! and okk I understand now. Im going to try solving it on my own now and will ask questions if I get stuck:)

  59. Kuoministers
    • 3 years ago
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    to find b) it would be similar from finding a) gl with getting the correct answer

  60. Kuoministers
    • 3 years ago
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    sure :)

  61. Kuoministers
    • 3 years ago
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    you can see anytime if im online and message me if your my fan :P

  62. schoolkillsme
    • 3 years ago
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    ahhaha will do! You were great help btw thaanks

  63. Kuoministers
    • 3 years ago
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    hey :)

  64. schoolkillsme
    • 3 years ago
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    hahhaa help me !! :(

  65. Kuoministers
    • 3 years ago
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    sure

  66. Kuoministers
    • 3 years ago
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    now you can work it out?

  67. Kuoministers
    • 3 years ago
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    im going out for lunch soon :) so ill try to make it quick

  68. Kuoministers
    • 3 years ago
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  69. schoolkillsme
    • 3 years ago
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    x = 1.33km ? \

  70. Kuoministers
    • 3 years ago
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    yes i got something similiar to that!!!

  71. schoolkillsme
    • 3 years ago
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    OMGG Thank God !!

  72. schoolkillsme
    • 3 years ago
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    I swear I thought I was never gonna understand this .

  73. Kuoministers
    • 3 years ago
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    1.339618281

  74. Kuoministers
    • 3 years ago
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    yea well done :)

  75. Kuoministers
    • 3 years ago
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    now lets see you do number b O.O :D

  76. schoolkillsme
    • 3 years ago
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    yess got exactly taht

  77. schoolkillsme
    • 3 years ago
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    lol oh great ;P

  78. Kuoministers
    • 3 years ago
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    so have you gotton a answer for b yet?

  79. schoolkillsme
    • 3 years ago
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    1.33 km ??

  80. schoolkillsme
    • 3 years ago
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    1.325968944 ? full answer I got

  81. Kuoministers
    • 3 years ago
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    1.326581208 close enough :)

  82. Kuoministers
    • 3 years ago
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    \[\Huge{\color{red}{\leftarrow \boxed{\mathbb{\text{CongratS}}}}} \]

  83. Kuoministers
    • 3 years ago
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    lol idk what im pointing to :P

  84. schoolkillsme
    • 3 years ago
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    omg YESS!, it took me alot of thinking even after you explained it lmaaao!

  85. schoolkillsme
    • 3 years ago
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    hahaaa ;P thaaanks girl? or guy? lol you helped me alot

  86. schoolkillsme
    • 3 years ago
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    almost midnight here, need to sleep lol !! Wish me luck for tommoroe:)

  87. Kuoministers
    • 3 years ago
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    guy :D

  88. Kuoministers
    • 3 years ago
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    i just find this cat humorous

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