anonymous
  • anonymous
Help.. A 6-meter pole is supported by guy wires that are anchored to the ground as shown. What is sin D? A) 3/6.71 B) 6.71/6 C) 3/6 D) 6/6.71 Link to question is below 👇👇
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
https://cdn.ple.platoweb.com/EdAssets/a750236adc844ccd805846bc0cb4d3e4?ts=635385786018600000
mathstudent55
  • mathstudent55
Do you know SOHCAHTOA?
anonymous
  • anonymous
Nope. 😪

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mathstudent55
  • mathstudent55
SOHCAHTOA is a way to memorize which sides make the ratios of sine, cosine and tangent.
anonymous
  • anonymous
okay katelyn what is the height
anonymous
  • anonymous
basically katelyn what im saying sin=b/h
anonymous
  • anonymous
Whaleee, the height of the triangles sides are both 6.71m I believe. The link I put has the picture of it if you need to refer to it. 👌😄
mathstudent55
  • mathstudent55
SOH: \(\sin \theta = \dfrac{opp}{hyp} \) CAH: \(\cos \theta = \dfrac{adj}{hyp} \) TOA: \(\tan \theta = \dfrac{opp}{adj} \) The initials S (sine), C (cosine), T (tangent), O (opposite leg), A (adjacent leg), and H (hypotenuse) are used in the mnemonic above.
anonymous
  • anonymous
Mhm
mathstudent55
  • mathstudent55
You are asked for the sine. Looking above, or remembering the SOH part of SOHCAHTOA, you see that \(\sin \theta = \dfrac{opp}{hyp} \)
anonymous
  • anonymous
do you know what the answer is?
anonymous
  • anonymous
Yes, opposite over hypotenuse
mathstudent55
  • mathstudent55
Now look at angle D. For angle D, which side is the opposite leg? Which side is the hypotenuse?
anonymous
  • anonymous
no..
anonymous
  • anonymous
do you know what the base if a triangle is?
mathstudent55
  • mathstudent55
|dw:1434392815161:dw|
mathstudent55
  • mathstudent55
|dw:1434392858828:dw|
anonymous
  • anonymous
Oh crap @mathstudent55 I totally forgot...oh.....ok so I get you
mathstudent55
  • mathstudent55
Fill in the blanks: |dw:1434392884772:dw|
anonymous
  • anonymous
And @bdavis07 uhhh, the base? i think since one side is 3 the other must be 3 so its 6 and @mathstudent55 ok, hold up let me think.....ok 6/6.71 would be sin
anonymous
  • anonymous
no no no. base is three and the height is 6 so b/h
anonymous
  • anonymous
base over height
mathstudent55
  • mathstudent55
The 3 m base of the small triangle to the left, or the 6 m base of the entire triangle, is not used in this problem. All we need here is the opposite leg and the hypotenuse since the sine ratio is the ratio of the opposite leg to the hypotenuse.
anonymous
  • anonymous
OKKKKK oh my goodness thank you so much!!! Honestly, I didn't even read it....I was just trying to get the answer fast....maybe I'm to honest...aha...lol thanks. I'm in summer school so this stuff is pretty overwhelming because i've forgotten a lot and i'm not that good at geometry..Thankyou both very much. 😄
mathstudent55
  • mathstudent55
|dw:1434393143216:dw|
anonymous
  • anonymous
6.71 and 3
mathstudent55
  • mathstudent55
Don't get overwhelmed. Just study a lot, and ask lots of questions. That's how you learn.
anonymous
  • anonymous
your welcome katelyn
anonymous
  • anonymous
Thanks for the advice 😄👌
mathstudent55
  • mathstudent55
|dw:1434393288530:dw|
mathstudent55
  • mathstudent55
The answer is \(\sin D = \dfrac{6}{6.71} \)
mathstudent55
  • mathstudent55
@bdavis07 There is no base/height here.

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