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Using trigg .. how would you determine the value of x ?

use cos rule

yee but how would I plug everything in.. I did it on my test and got it wrong :/

you just plug it in LOL!!!
make sure when you get your answer you need to do inverse cos?

what did you get as answer?
and what is real answer?

can you pls show me your working out?

you gotta make sure that 17cm is C

yee i put 17 cm as c .. im confused as to how you know its c ?

ohh okk !

you want to find x right? so x has to be c and opposite x is C got it!!??

try again and lets see what answer you got?

ok im gonna try it

Is this correct? @kuoministers

when i got the decimal, i did the inverse of cos

YES!!! but it needs to be in degrees. still right

YES! thank you, its gonna help alot for my exam tommoro :)

cheers :)

ill give you another tip

Please do!

the angle opposite to that side sorry

ok understood, thank you!

eg... on your question the angle opposite 21 will be the largest. which is angle y

ok wait I have another question, give me a few more mins please

for this you need the sin rule

does this have the same kind of concept?

okk

you need to know all the sin and cos rules

it includes the angle of depression

ahaha this question is long :P

that angle is 8 degree btw

ohh ok

do you know how to solve it now?
or do i need to go further?

Mind going further? How did you get 8 ?

my bad its 98 IM SORRY >.<

yes that makes more sence :)

im solving 4 question at once and my own HW...

WOOW you can multitask x2

calculus homework isnt fun... try to avoid it :D

you are in year 9-10 i presume?

oh understand how to do part a) now?

using cos rule for the triangle in red will help get the distance right ?

yes

yees and yees 10

sorry if its extremely messy now

to find b) it would be similar from finding a)
gl with getting the correct answer

sure :)

you can see anytime if im online and message me if your my fan :P

ahhaha will do! You were great help btw thaanks

hey :)

hahhaa help me !! :(

sure

now you can work it out?

im going out for lunch soon :)
so ill try to make it quick

x = 1.33km ?
\

yes i got something similiar to that!!!

OMGG Thank God !!

I swear I thought I was never gonna understand this .

1.339618281

yea well done :)

now lets see you do number b O.O
:D

yess got exactly taht

lol oh great ;P

so have you gotton a answer for b yet?

1.33 km ??

1.325968944 ? full answer I got

1.326581208
close enough :)

\[\Huge{\color{red}{\leftarrow \boxed{\mathbb{\text{CongratS}}}}} \]

lol idk what im pointing to :P

omg YESS!, it took me alot of thinking even after you explained it lmaaao!

hahaaa ;P thaaanks girl? or guy? lol
you helped me alot

almost midnight here, need to sleep lol !! Wish me luck for tommoroe:)

guy :D

i just find this cat humorous