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are these vectors?

Yes. I have to find the resultant vector using the component method

do the same as before: change to "standard angles"
then you add up M*cos(x) of each vector

I dont know how you approach these but i usually draw standard angles on a cartesain

for the x values
and M*sin(x) for the y values

okay. hang on this may take a bit. Please be patient cx

would the first standard angle measure be 42 degrees? I just subtracted the original from 90

yes

and 117 for the second one?

wait.. no...

153

yes

the final is 94?

yes

now time to add.. one second.

I got Ax=-24.026 and Ay=39.991

so it will be in the 2nd quadrant, right?

yea

so \(A=
\sqrt{(-24.026)^2+(39.991)^2}\)

alright.

so I got A=46.65

alright so now your looking for the direction via tan^-1(y/x)

mhm.. and I got -59.003°... I'm not sure in which direction though..

we know were in the second quadrant so we add 180

oh because right now we're in the 4th?

so 120.997°

wait is our x value positive and our y value negative?

** Ax=-24.026 and Ay=39.991***
yes that is good

x is negative and y is positive

i thought we were in the 2nd quadrant

that is the second quadrant

why did you say 4th then lol

sketch the vector
|dw:1443215354419:dw|

now find the marked angle

I am so confused now >.<

why do you disregard the negative sign?

in this case our vector is in the 2nd quadrant (generalized)|dw:1443215661242:dw|

rip english

>.< this is so confusing. I

let me show you something |dw:1443216253502:dw|

like what do you mean? >.< I don't know this is really confusing me. I was never good at trig.. :/

Let's say you have this vector
|dw:1443216403123:dw|

I assume it is obvious how to find theta ?

yes lol

arctan(y/x)

now this problem
|dw:1443216475660:dw|

ohhhh I think I understand

now this problem
|dw:1443216774766:dw|

I get it now.

I think lol

You should practice on the problems you just did (where you know the answer)
just in case ...

I can't use the draw tool.. my mouse thing goes BEHIND google chrome.. I don't know why :/

could try alt+tabbing and tabbing back in has fixed it for me before

ohhh see that makes sense Phi.. I finally get why you said to ignore the sign XD

phi are you computer software engineer?

im in ap physics b too gl with your course

thanks :D
so is this 59.003° S of W?... or is that completely wrong? >.<

south of west would be 3rd quadrant

OH IT'S N OF W, RIGHT?

yes gj :P

sorry for the caps, kinda had an explosion of understanding XD

LOL

yea its great moment when stuff makes sense :P

okay now I have a word problem.. can I tag you in a new question?

sure