anonymous
  • anonymous
A 7-foot ladder is leaned against a building in such a way that the bottom of the ladder is 4 feet from the base of the wall. Find the angle formed between the ladder and the ground. A) 30 degrees B) 35 degrees C) 55 degrees D) 60 degrees
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Nnesha
anonymous
  • anonymous
|dw:1433444403430:dw|
anonymous
  • anonymous
Do you know what trig function to use given what information you have?

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More answers

anonymous
  • anonymous
Anyone know this?
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anonymous
  • anonymous
im not sure i know im trying to solve right triangles @larryboxaplenty
anonymous
  • anonymous
Summer, solve for the missing side
anonymous
  • anonymous
Is this geometry or trig class?
anonymous
  • anonymous
geometry
anonymous
  • anonymous
if you help me ill help you
anonymous
  • anonymous
i know the answer
anonymous
  • anonymous
I remember learning some trig in geo. You want to use one of the 3 most basic trig functions, don't think about cotan, csc, or sec for now
anonymous
  • anonymous
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anonymous
  • anonymous
Its 55
anonymous
  • anonymous
Summer, I will try to help you if you post it was a question :)
anonymous
  • anonymous
okay i posted a question
anonymous
  • anonymous
You want to use either sine, cosine or tangent, abbrev. sin, cos or tan respectively
anonymous
  • anonymous
i think its cos
anonymous
  • anonymous
There are three sides of a triangle: the hypotenuse, the long leg, and short leg. Yes, it is cosine
anonymous
  • anonymous
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anonymous
  • anonymous
Cos(theta), where theta is some angle, is adjacent/hypotenuse
anonymous
  • anonymous
Some say SOH CAH TOA but I remember it as:
anonymous
  • anonymous
ITS 55
anonymous
  • anonymous
Sine (Oscar Has) Cosine (A Hairy) Tan (Old As- ...er...Arm)
anonymous
  • anonymous
for yours
anonymous
  • anonymous
isnt it 8.9?
anonymous
  • anonymous
O is the opposite site of the angle, hypotenuse is the longest side, and adjacent is the side next to the angle
anonymous
  • anonymous
i dont know how to figure it out
anonymous
  • anonymous
Can u just give me the answer i got to go to work
anonymous
  • anonymous
You have to use arccosine in order to find the angle
anonymous
  • anonymous
Think of it like this: if cos(x) = (4/7) then arcos(4/7) = x
anonymous
  • anonymous
who are u talkinng to??
anonymous
  • anonymous
ive tried doing that @larryboxaplenty
anonymous
  • anonymous
arccos looks like cos^-1(x), but the -1 is not an exponent, it's a just a symbol. So you don't actually take it to the -1 power
anonymous
  • anonymous
????//
anonymous
  • anonymous
@Summeriscool , Den this whole time
anonymous
  • anonymous
?
anonymous
  • anonymous
https://www.wolframalpha.com/input/?i=arccos%284%2F7%29
anonymous
  • anonymous
*arcos(4/7) = 55.15 degrees ~55 degress
anonymous
  • anonymous
AND YOU DIDNT WANT TO LISTEN
anonymous
  • anonymous
SAID 55 A MILLION TIMES
anonymous
  • anonymous
shouting the answer won't make the learn anything :P
anonymous
  • anonymous
i needed to LEARN how to figue it out. kk @Summeriscool
anonymous
  • anonymous
I DIDNT I GAVE THE
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anonymous
  • anonymous
Do you know which sides of the triangle are what, even if the angles are at different sides?
anonymous
  • anonymous
sin/cos/tan are all relative to the angle, so adjacent and opposite can get mixed up sometimes :p
anonymous
  • anonymous
|dw:1433445597483:dw|
anonymous
  • anonymous
|dw:1433456426036:dw|
anonymous
  • anonymous
Here, sin(C) can get confusing :P
anonymous
  • anonymous
Unless you know the sin(90 degrees) :P
anonymous
  • anonymous
Do you need anything else?
anonymous
  • anonymous
MY ANSWER
anonymous
  • anonymous
Sorry, I haven't took calc in a while, I can't hep you there
anonymous
  • anonymous
NOW YOU SAY THAT

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