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|dw:1441671957196:dw|

|dw:1441671998905:dw|

do you agree with the drawing so far?

Yes I do

so in a sense, we have this triangle
|dw:1441673599603:dw|

do you know how to find x ?

no

have you learned of trig functions in your lessons?

Still I wanna know, its being counted as a grade

that hardly seems fair to ask you a question you haven't learned about yet, and have it graded

is this for geometry or trig class?

trig class, pls just answer the question

adjacent and opp?

no, opp and hyp
look at the chart again and verify what I'm saying is correct
|dw:1441675548088:dw|

agreed? or no?

agree

which trig function uses opp and hyp together?

sin or soh as in from sohcahtoa

yes

so
sin(angle) = opp/hyp
sin(35) = x/4600

using a calculator, what is `sin(35)` equal to?

-0.42818266949

make sure you are in degree mode
what calculator do you have?

use this calculator
http://web2.0calc.com/

try it again and tell me what you get for the value of `sin(35)`

0.573576436351

good

so `sin(35) = x/4600` is the same as `0.573576436351 = x/4600`

-4599.426423563649?

idk how you got that

what steps did you do to get that?

hint: undo division (what operation is the opposite of division?)

multiplication

yes

multiply both sides by ________ (fill in the blank)

4600? idk please help

yes, multiply both sides by 4600 to isolate x

I got x=2638.4516072146

But thats not one of the options

what are your options?

There

oh my bad, I mixed up opp and hyp and I'm just realizing that

in this case use 0.573576436351 to multiply on both sides?

you have to undo the multiplication in 0.573576436351*x

please demonstrate

what undoes multiplication?

division?

yes, you'll divide both sides by _______ (fill in the blank)

0.573576436351?

yes, divide both sides by that value

8019.8552598576954158?

correct, which rounds to 8019.86

Thanks mate :)

you're welcome

here are the options

are you able to draw a picture of the problem?

I am not, I cannot display it

how about on paper? are you able to draw out the triangle?

not really, I have no scanners, no tools on my pc nothing, I can still understand without a photo

no I mean just for you to see
you can describe the picture to me

draw out the triangle and then describe the picture

Yeah I cant see it, cause I dont understand how to draw it sorry

try to imagine what it would look like in real life
draw a vertical pole, then a shadow.
what forms?

you should have this
|dw:1441679942494:dw|

which angle do they want? mark it on my drawing

click on the pencil to mark on my drawing

|dw:1441680351616:dw|

that one?

ohh okay

look at that chart I posted above
which sides are the 154 and 196 with respect to that marked angle?

154=totem, and 198=shadow

I meant in terms of opp, hyp, adj

oh my bad, it would be: addj, and opp?

yeah
let's label our drawing with those
|dw:1441680960957:dw|

what trig function uses opp and adj?

tan

yep

tan(angle) = opp/adj
tan(x) = 154/198
I'm making the angle to be x for now

37.874983651098
?

correct

so the angle of elevation is approx 37.87 degrees

ahh okay thanks

you're welcome