The letters x and y represent rectangular coordinates. Write the given equation using polar coordinates left parenthesis r comma theta right parenthesis.
3 x squared plus 3 y squared equals 7
Question content area bottom
Part 1
Select the correct equation in polar coordinates below.
A.r equals StartFraction 7 Over 3 left parenthesis cosine theta plus sine theta right parenthesis EndFraction
r equals StartFraction 7 Over 3 left parenthesis cosine theta plus sine theta right parenthesis EndFraction
B.r squared equals StartFraction 7 Over 3 left parenthesis cosine theta plus sine theta right parenthesis EndFraction
r squared equals StartFraction 7 Over 3 left parenthesis cosine theta plus sine theta right parenthesis EndFraction
C.r squared equals seven thirds
r squared equals seven thirds
D.r equals seven thirds
r equals seven thirds