anonymous
  • anonymous
Determine the measure of x
Trigonometry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
|dw:1358388607551:dw|
anonymous
  • anonymous
Using trigg .. how would you determine the value of x ?
Kuoministers
  • Kuoministers
use cos rule

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anonymous
  • anonymous
yee but how would I plug everything in.. I did it on my test and got it wrong :/
Kuoministers
  • Kuoministers
you just plug it in LOL!!! make sure when you get your answer you need to do inverse cos?
Kuoministers
  • Kuoministers
what did you get as answer? and what is real answer?
anonymous
  • anonymous
lmaao I sound dumb but its actually confusing to me :$ I did it and he wrote "bad form" ? I got 1 out of 3 marks .
Kuoministers
  • Kuoministers
can you pls show me your working out?
Kuoministers
  • Kuoministers
you gotta make sure that 17cm is C
anonymous
  • anonymous
yee i put 17 cm as c .. im confused as to how you know its c ?
Kuoministers
  • Kuoministers
1 Attachment
anonymous
  • anonymous
ohh okk !
Kuoministers
  • Kuoministers
you want to find x right? so x has to be c and opposite x is C got it!!??
Kuoministers
  • Kuoministers
try again and lets see what answer you got?
anonymous
  • anonymous
ok im gonna try it
anonymous
  • anonymous
1 Attachment
anonymous
  • anonymous
Is this correct? @kuoministers
anonymous
  • anonymous
when i got the decimal, i did the inverse of cos
Kuoministers
  • Kuoministers
YES!!! but it needs to be in degrees. still right
anonymous
  • anonymous
YES! thank you, its gonna help alot for my exam tommoro :)
Kuoministers
  • Kuoministers
cheers :)
Kuoministers
  • Kuoministers
ill give you another tip
anonymous
  • anonymous
Please do!
Kuoministers
  • Kuoministers
if the side is the longest the angle will also be the largest because often question ask to find the largest angle
Kuoministers
  • Kuoministers
the angle opposite to that side sorry
anonymous
  • anonymous
ok understood, thank you!
Kuoministers
  • Kuoministers
eg... on your question the angle opposite 21 will be the largest. which is angle y
anonymous
  • anonymous
ok wait I have another question, give me a few more mins please
anonymous
  • anonymous
1 Attachment
Kuoministers
  • Kuoministers
for this you need the sin rule
anonymous
  • anonymous
does this have the same kind of concept?
anonymous
  • anonymous
okk
Kuoministers
  • Kuoministers
you need to know all the sin and cos rules
Kuoministers
  • Kuoministers
1 Attachment
anonymous
  • anonymous
okk I understand that very well now how about for this question ? how would you solve it.. it has 2 parts
1 Attachment
anonymous
  • anonymous
it includes the angle of depression
Kuoministers
  • Kuoministers
ahaha this question is long :P
Kuoministers
  • Kuoministers
that angle is 8 degree btw
anonymous
  • anonymous
I knooow LOOL :p sorrrry .. i have liek a million questions but I dont wanna be annoying! honestly my teacher's no help at all and I have my exam tommoroe :$ Thank you soo much for your help tho!
anonymous
  • anonymous
ohh ok
Kuoministers
  • Kuoministers
do you know how to solve it now? or do i need to go further?
anonymous
  • anonymous
Mind going further? How did you get 8 ?
Kuoministers
  • Kuoministers
my bad its 98 IM SORRY >.<
anonymous
  • anonymous
yes that makes more sence :)
Kuoministers
  • Kuoministers
im solving 4 question at once and my own HW...
anonymous
  • anonymous
WOOW you can multitask x2
Kuoministers
  • Kuoministers
calculus homework isnt fun... try to avoid it :D
anonymous
  • anonymous
I have to take calculus and functions and all that jazz .. I want to be a dentist ! we need all that LOL *sigh*
Kuoministers
  • Kuoministers
you are in year 9-10 i presume?
Kuoministers
  • Kuoministers
oh understand how to do part a) now?
anonymous
  • anonymous
using cos rule for the triangle in red will help get the distance right ?
Kuoministers
  • Kuoministers
yes
anonymous
  • anonymous
yees and yees 10
Kuoministers
  • Kuoministers
sorry if its extremely messy now
anonymous
  • anonymous
no dw its not! and okk I understand now. Im going to try solving it on my own now and will ask questions if I get stuck:)
Kuoministers
  • Kuoministers
to find b) it would be similar from finding a) gl with getting the correct answer
Kuoministers
  • Kuoministers
sure :)
Kuoministers
  • Kuoministers
you can see anytime if im online and message me if your my fan :P
anonymous
  • anonymous
ahhaha will do! You were great help btw thaanks
Kuoministers
  • Kuoministers
hey :)
anonymous
  • anonymous
hahhaa help me !! :(
Kuoministers
  • Kuoministers
Kuoministers
  • Kuoministers
now you can work it out?
Kuoministers
  • Kuoministers
im going out for lunch soon :) so ill try to make it quick
anonymous
  • anonymous
x = 1.33km ? \
Kuoministers
  • Kuoministers
yes i got something similiar to that!!!
anonymous
  • anonymous
OMGG Thank God !!
anonymous
  • anonymous
I swear I thought I was never gonna understand this .
Kuoministers
  • Kuoministers
1.339618281
Kuoministers
  • Kuoministers
yea well done :)
Kuoministers
  • Kuoministers
now lets see you do number b O.O :D
anonymous
  • anonymous
yess got exactly taht
anonymous
  • anonymous
lol oh great ;P
Kuoministers
  • Kuoministers
so have you gotton a answer for b yet?
anonymous
  • anonymous
1.33 km ??
anonymous
  • anonymous
1.325968944 ? full answer I got
Kuoministers
  • Kuoministers
1.326581208 close enough :)
Kuoministers
  • Kuoministers
\[\Huge{\color{red}{\leftarrow \boxed{\mathbb{\text{CongratS}}}}} \]
Kuoministers
  • Kuoministers
lol idk what im pointing to :P
anonymous
  • anonymous
omg YESS!, it took me alot of thinking even after you explained it lmaaao!
anonymous
  • anonymous
hahaaa ;P thaaanks girl? or guy? lol you helped me alot
anonymous
  • anonymous
almost midnight here, need to sleep lol !! Wish me luck for tommoroe:)
Kuoministers
  • Kuoministers
guy :D
Kuoministers
  • Kuoministers
i just find this cat humorous

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