anonymous
  • anonymous
Need help, not a test, Homework. I need to find the angle of decent for a plane. Can someone help me start?
Geometry
chestercat
  • chestercat
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anonymous
  • anonymous
anonymous
  • anonymous
@ganeshie8 are you able to help sorry to ask.
anonymous
  • anonymous
I only have to do one side :D

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anonymous
  • anonymous
Thank you for helping! Anyway how should I begin? :3
ganeshie8
  • ganeshie8
what are the instructions ? what exactly are we supposed to do ?
anonymous
  • anonymous
Just find the angle of descent I believe using cos tan or sin
ganeshie8
  • ganeshie8
but they gave four options are we supposed to pick any one option and work angle of descent for that ? |dw:1433385070524:dw|
anonymous
  • anonymous
oh yes!! I picked the first one :3
ganeshie8
  • ganeshie8
okay good start by labeling the given dimensions altitude always refers to the height
ganeshie8
  • ganeshie8
|dw:1433385235096:dw|
anonymous
  • anonymous
Ah ok, now should I begin finding it by using tan?
ganeshie8
  • ganeshie8
Opposite side = 15042 Hypotenuse = 30924 which trig ratio involves Opposite and Hypotenuse ?
anonymous
  • anonymous
that would be sin
ganeshie8
  • ganeshie8
Yes so use sin ratio : \[\large \sin(x) = \dfrac{15042}{30924}\]
ganeshie8
  • ganeshie8
\[\large x = \sin^{-1}\left(\frac{15042}{30924}\right)\] use ur calculator
anonymous
  • anonymous
for the sin-1 I got 29.105438462
ganeshie8
  • ganeshie8
Correct! maybe round it to 29.11 degrees
anonymous
  • anonymous
Thank you so much!
ganeshie8
  • ganeshie8
yw!

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