SOLUTION: Please Help solve this problem! In 3r=sinA, r and A represent polar coordinates, write each polar equation as an equation in rectangular coordinates (x,y). Thank you, Natalie

Algebra ->  Trigonometry-basics -> SOLUTION: Please Help solve this problem! In 3r=sinA, r and A represent polar coordinates, write each polar equation as an equation in rectangular coordinates (x,y). Thank you, Natalie      Log On


   

Question 149545: Please Help solve this problem!
In 3r=sinA, r and A represent polar coordinates, write each polar equation as an equation in rectangular coordinates (x,y).
Thank you, Natalie
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3r=sin%28A%29
Remember that
r%5E2=x%5E2%2By%5E2
x=r%2Acos%28A%29
y=r%2Asin%28A%29
Let's start,
3r=sin%28A%29
3r%5E2=r%2Asin%28A%29Multiply both sides by r.
3%28x%5E2%2By%5E2%29=ySubstitute.
3%28x%5E2%2By%5E2%29-y=0Collect terms on one side.