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tahtah99

  • 2 years ago

two birds sit at the top of two different trees 17.8 feet away from one another. The distance between the first bird and a bird watcher on the ground is 37.4 feet. What is the angle measure, or angle of depression, between this bird and the bird watcher?

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  1. sunsetlove
    • 2 years ago
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    i asked this ? befor

  2. sunsetlove
    • 2 years ago
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    r u in flvs

  3. tahtah99
    • 2 years ago
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    yess i am . do you know it?

  4. sunsetlove
    • 2 years ago
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    holed on

  5. tahtah99
    • 2 years ago
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    allright :)

  6. sunsetlove
    • 2 years ago
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    17.8

  7. sunsetlove
    • 2 years ago
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    hold on

  8. sunsetlove
    • 2 years ago
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    Height of bird = 17.8 True (slant) distance from watcher to bird = 37.4 Angle theta = asin(17.8/37.4=28.4 degree

  9. sunsetlove
    • 2 years ago
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    dose that help

  10. tahtah99
    • 2 years ago
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    omg yes ! thank you :) did u pass this test? hah

  11. sunsetlove
    • 2 years ago
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    ya i think

  12. sunsetlove
    • 2 years ago
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    do u know how to give medles

  13. tahtah99
    • 2 years ago
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    i dont understand anything in it.

  14. sunsetlove
    • 2 years ago
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    it can help

  15. tahtah99
    • 2 years ago
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    i only have like 4 more .

  16. sunsetlove
    • 2 years ago
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    if u want just ask and i will

  17. tahtah99
    • 2 years ago
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    A lamppost casts a shadow 44 feet long. The angle measure of the shadow is 33°. How tall is the lamppost to the nearest tenth of a foot?

  18. sunsetlove
    • 2 years ago
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    hold on

  19. sunsetlove
    • 2 years ago
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    h/a

  20. tahtah99
    • 2 years ago
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    whats h/a ?

  21. sunsetlove
    • 2 years ago
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    52.46

  22. Hero
    • 2 years ago
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    |dw:1325123708432:dw|

  23. sunsetlove
    • 2 years ago
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    it is COS

  24. tahtah99
    • 2 years ago
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    your like saving my life. haha can you answer one more ?

  25. sunsetlove
    • 2 years ago
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    h is hypotenuse and a is adjacent

  26. sunsetlove
    • 2 years ago
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    yes

  27. tahtah99
    • 2 years ago
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    Using ∡C of △CBA shown below, create three different trigonometric ratios using sine, cosine, and tangent. You will need to create your own angle and side measures for this task. For full credit, please provide both the ratio and work used to solve for a missing piece of the triangle. Round all solutions to the nearest hundredth.

  28. Hero
    • 2 years ago
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    You can create your own triangle

  29. Hero
    • 2 years ago
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    Actually, you should probably draw the triangle first

  30. sunsetlove
    • 2 years ago
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    got to my profile and look for the same ? every thing is there

  31. sunsetlove
    • 2 years ago
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    did it help

  32. Hero
    • 2 years ago
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    I don't know why she didn't just draw the triangle

  33. Hero
    • 2 years ago
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    In order to help you, you need to draw it

  34. tahtah99
    • 2 years ago
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    hahaha shush. idk how i would word it though. there was so much going on

  35. sunsetlove
    • 2 years ago
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    press draw its under ur box to tipe in |dw:1325124389359:dw| like this

  36. Hero
    • 2 years ago
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    |dw:1325124435420:dw|

  37. tahtah99
    • 2 years ago
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    |dw:1325124401522:dw|

  38. Hero
    • 2 years ago
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    good job

  39. sunsetlove
    • 2 years ago
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    |dw:1325124444889:dw|

  40. Hero
    • 2 years ago
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    You could have made it look a little prettier than that sunset

  41. tahtah99
    • 2 years ago
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    its beautiful .. belongs in a museum

  42. sunsetlove
    • 2 years ago
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    yes now 3^2 + 4^2 sholed = the other side

  43. Hero
    • 2 years ago
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    Okay sunset :D

  44. tahtah99
    • 2 years ago
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    whats the three different trigonometric ratios using sine, cosine, and tangent?

  45. Hero
    • 2 years ago
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    Well, if we use sunset's approach:

  46. sunsetlove
    • 2 years ago
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    cos is a/h

  47. Hero
    • 2 years ago
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    |dw:1325124890880:dw|

  48. sunsetlove
    • 2 years ago
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    tan is o/a and sin is o/h

  49. sunsetlove
    • 2 years ago
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    dont use the ABC ONES they change if the tryangle is BAC or CAB use what i put

  50. Hero
    • 2 years ago
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    She has to use them because they are part of the problem. It has to be in terms of triangle CBA

  51. sunsetlove
    • 2 years ago
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    no afince Hero but i tryed doing it that way and it mest me up

  52. Hero
    • 2 years ago
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    It doesn't mess everyone up

  53. sunsetlove
    • 2 years ago
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    ok but remember it dont always aply just with this problim

  54. tahtah99
    • 2 years ago
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    lol im so confused on this part here For full credit, please provide both the ratio and work used to solve for a missing piece of the triangle. what should i put for that ? it has to be in words

  55. Hero
    • 2 years ago
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    tahtah, I know you're taking a test

  56. tahtah99
    • 2 years ago
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    ik you know im taking a test.

  57. sunsetlove
    • 2 years ago
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    ok you have to fined the tangent , cosine, and sine

  58. Hero
    • 2 years ago
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    You have to find the angles tahtah

  59. sunsetlove
    • 2 years ago
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    sine is opposite/hypotenuse

  60. sunsetlove
    • 2 years ago
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    cosine is adjacent/hypotenuse

  61. tahtah99
    • 2 years ago
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    how do i find the angles ? i understand the cos and sin thingy now.

  62. Hero
    • 2 years ago
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    you have to take the inverse of the ratios

  63. sunsetlove
    • 2 years ago
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    tangent is opposite/adjacent

  64. sunsetlove
    • 2 years ago
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    u fined the angles using sin cos and tan

  65. Hero
    • 2 years ago
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    sunset, she has to take the inverse of those ratios

  66. sunsetlove
    • 2 years ago
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    yes my bad but its still using it

  67. Hero
    • 2 years ago
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    \[\sin^{-1}(\frac{3}{5})\]

  68. sunsetlove
    • 2 years ago
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    yes

  69. Hero
    • 2 years ago
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    \[\cos^{-1}(\frac{4}{5})\]

  70. Hero
    • 2 years ago
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    \[\tan^{-1}(\frac{3}{4})\]

  71. sunsetlove
    • 2 years ago
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    trust hero hes smart

  72. tahtah99
    • 2 years ago
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    thank you :) your smart too sunset.

  73. sunsetlove
    • 2 years ago
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    thank u good luck

  74. tahtah99
    • 2 years ago
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    so i just solve that & it will be the angle?

  75. Hero
    • 2 years ago
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    You have to find the other two angles

  76. Hero
    • 2 years ago
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    Once you find angle A, you can use the sums of triangles = 180 rule to find the remaining angle.

  77. tahtah99
    • 2 years ago
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    mmm would it be .64?

  78. Hero
    • 2 years ago
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    make sure you're in DEGREES, not radians

  79. tahtah99
    • 2 years ago
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    ahhh . so 64 degrees? haha

  80. Hero
    • 2 years ago
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    Just make sure your calculator is in degrees first.

  81. tahtah99
    • 2 years ago
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    omg now i got .92 ik thats wrong. i see why my teachers hate me

  82. Hero
    • 2 years ago
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    :/

  83. tahtah99
    • 2 years ago
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    if you just get me the angle for A i can do the rest.

  84. Hero
    • 2 years ago
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    A = 36.87

  85. tahtah99
    • 2 years ago
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    saved me. thanks so much man : )

  86. Hero
    • 2 years ago
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    You should probably figure out how to use your calc. You're lucky you get to do your test at home. Not every student is so lucky.

  87. tahtah99
    • 2 years ago
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    i know :| geo. just isnt my thing

  88. Hero
    • 2 years ago
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    It could be if you wanted it to be

  89. felixsalter
    • 2 years ago
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    hold on, where's the answer for the original equation?

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