geekfromthefutur
  • geekfromthefutur
I have some of this answerd but i need help plz ============== Fan + Medal ==============
Mathematics
  • Stacey Warren - Expert brainly.com
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katieb
  • katieb
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geekfromthefutur
  • geekfromthefutur
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geekfromthefutur
  • geekfromthefutur
@pooja195
phi
  • phi
Are you studying trigonometry?

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geekfromthefutur
  • geekfromthefutur
Yea
phi
  • phi
have you learned SOH CAH TOA ?
geekfromthefutur
  • geekfromthefutur
sine, cosine, and tangent of an angle.
phi
  • phi
ok. Look at the triangle in your problem. You (or the scientists) know 2 things and there is one thing you don't know (but want to).. an unknown side each of SOH CAH TOA use 3 things (angle and two sides) so the idea is to pick one of the 3 that use the same 3 things that your problem uses.
phi
  • phi
in other words, you want to know AB, and you do know side y, and angle x put your self at angle x, and label the sides AB and y as opposite and adjancent
geekfromthefutur
  • geekfromthefutur
Yea thats what i was going to say : P
geekfromthefutur
  • geekfromthefutur
Yea the adajat is BC and the opposite is A
phi
  • phi
A is a point, so I would say side AB or give the side a "name" like z
geekfromthefutur
  • geekfromthefutur
Yea ok
phi
  • phi
which of the 3 uses the opposite side and the adjacent side ?
geekfromthefutur
  • geekfromthefutur
id say opposite would be BA? and the adjacent would be BC
phi
  • phi
yes, and because they named BC "y" , you could call BC "y"
phi
  • phi
which of SOH CAH TOA should we use ?
geekfromthefutur
  • geekfromthefutur
We would use cah?
phi
  • phi
we want the one that has opposite (an O) and adjacent (an A) cah has Adjacent and Hypotenuse
geekfromthefutur
  • geekfromthefutur
oh to TOA
phi
  • phi
yes, and TOA is short for tan(angle) = opposite/adjacent the angle is called "x' the opposite is side AB the adjacent is side BC , but they say its length is y, so we will use y \[ \tan x = \frac{AB}{y} \]
phi
  • phi
if you know algebra, then you would "solve for AB" by multiplying both sides by y
geekfromthefutur
  • geekfromthefutur
Ok, and yea ik algerbra
geekfromthefutur
  • geekfromthefutur
*algebra
phi
  • phi
you should get y tan x = AB or AB = y tan x which means, to find the distance from earth to the shooting star multiply t times tangent of x

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