Precalculus 2014
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The equation is and the angle is .
Rotation equations for and :
and .
Substitute .
and
and
and .
Substitute and in .
The equation in the -plane is .
The equation in the -plane is .
Compare the equation with general conic equation .
Here and .
For this equation:
, the conic is hyperbola.
The equation in the -plane is .
The conic is hyperbola.
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