Convert the given coordinates to the indicated ordered pair: (1, - sqrt 3) to (r, theta). I have found r to be 2 but I am having trouble finding theta. Please help!!!

Question

freckles · Answer

|dw:1417404702409:dw|
so just do arctan(y/x) foe theta

anonymous · Answer

Okay, thank you so much (again). Also, did I get r correct?

anonymous · Answer

Also, when I do arctan(y/x) I get -1.047... should I have a more accurate answer in terms of pi for theta?

anonymous · Answer

Okay! I think I've found the answer.... the converted pair would be $$(2, -\pi/3)$$ ?

freckles · Answer

sorry notifications isn't working properly

freckles · Answer

r^2=1+3=4
r=2
so good
and yes theta=-pi/3 
now if there is no restriction on r or theta
then you are done

anonymous · Answer

Well actually, is there any restriction since it must be in the fourth quadrant?

freckles · Answer

your r and theta is fine

freckles · Answer

Sometimes the teacher wants a positive theta

freckles · Answer

or a negative r

freckles · Answer

but if there is nothing like that given then you are done

anonymous · Answer

yeah, it just says to convert. Thank you so much!!

freckles · Answer

np