The polar equation of the conic is .
The standard form of the polar equation .
(a)
\.
Compare the equation with standard form.
and
.
The eccentricity of the conic equation is .
As eccentricity , the conic equation is hyperbola.
The ellipse equation is .
The directrix is parallel to the polar axis .
Substitute in the
.
.
The directrix of the conic equation is .
The polar equation is .
Construct a table for different values of .
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Graph:
\(1) Graph the polar co-ordinates.
\(2) Plot the points.
\(3) Connect the points to a smooth curve.
\(b) When is rotated by an angle
in counterclockwise direction, the resulting equation is
.
The equation is .
Substitute .
.
Graph :
\Graph of the equation .
(a)
\The eccentricity of the conic equation is .
The conic section is a hyperbola.
\The directrix of the ellipse is .
(b) Graph of the equation is
.