Question

how do i eliminate the parameter that has the same terms in both x and y..i.e two cosθ's

Answer 1

\[x=1+\cosθ \]

Answer 2

how do i eliminate the parameter, would it be come an inverse?

Answer 3

\[r \cos \theta = x\]
\[r \sin \theta = y\]
\[r ^{2}=a ^{2}+b ^{2}\]

Use these substitutions.

Answer 4

r^2 = x^2 + y^2 I mean, sorry. (its the Pythagorean theorem, thats why I mixed up the letters!)