\"\"

\

The conic equation is \"\", where \"\".

\

\"\"

\

Find \"\" and \"\" using rotational formula.

\

\"\".

\

Substitute \"\" in the above equation.

\

\"\"

\

\"\"

\

\"\"

\

Substitute \"\" in the above equation.

\

\"\"

\

\"\".

\

Substitute \"\" in equation \"\".

\

\"\"

\

\"\".\"\"

\

The equation of the conic in the \"\"-plane is \"\".