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42

Step-by-step Answer
PAGE: 567SET: ExercisesPROBLEM: 42
Please look in your text book for this problem Statement

The rectangular equation is .

Rewrite the equation:.

The equation is in the form of standard equation of parabola  .

Here, and .

The eccentricity of a parabola is .

The directrix of vertical parabola is .

Substitute and .

.

If the directrix is a horizontal line , then the polar equation of the conic is .

The directrix is .

Substitute and in .

.

The polar equation is .

The polar equation is .



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