Polar and Cartesian Coordinates

Which point represents the polar coordinate
(-4, -2π/3)?

• B

• F

• D

• A

Convert the rectangular coordinates (-4, 4) into polar coordinates.

Convert the equation from rectangular to polar.

3y = x²

• r = 3 tan x sec x

• r = 4 tan x sec x

• r = cot x csc x

• r = tan x sec x