Transform the following polar equation into an equation in rectangular coordinates: r=-4 sin (theta)

Question

iwanttomakearequest · Answer

options are:
A) y= -4
B) x + y= -4
C) x^2 + (y+2)^2 = 4
D) x = -4y

.whitedragon. · Answer

sorry wrong one

iwanttomakearequest · Answer

no worries :)

.whitedragon. · Answer

you can still use this 
We multiply both sides by R 

R = 4 sin t 

R 2 = 4 R sin t 

We now use the relationship between polar and rectangular coordinates: R 2 = x 2 + y 2 and y = R sin t

iwanttomakearequest · Answer

Is that R^2 = x^2 + y^2 or just R 2 = x 2 + y 2?

.whitedragon. · Answer

yes ^ its R^2 x^2 and Y^2

iwanttomakearequest · Answer

okay, so what's x and what's y??

.whitedragon. · Answer

i dont know i looked up the answer heres where i got it http://www.analyzemath.com/polarcoordinates/polar_to_rectangular_eq.html

iwanttomakearequest · Answer

oh okay thanks, I'll take a look at that. But it looks like it's solving for 4sin(theta) not -4sin(theta)

.whitedragon. · Answer

yeah i noticed that after i posted it sorry thats the best I can do

iwanttomakearequest · Answer

All right, thanks anyway :)

.whitedragon. · Answer

yup