Explanation Given information: The equation r = 2 csc 2 ( θ 2 ) . Formulas Used: r = e p 1 ± e cos ( θ ) ( ∵ Directrix lies on the right/left of the pole ) r = e p 1 ± e sin ( θ ) ( ∵ Directrix lies on the above/below of the pole ) Calculation: From the given equation, we can show that it is a polar equation of a parabola as follows: r = 2 csc 2 (

Precalculus: A Unit Circle Approach, Books a la Carte Edition plus MyMathLab with Pearson eText -- Access Card Package (2nd Edition)

2nd Edition

ISBN: 9780321869401

Author: J. S. Ratti

Publisher: PEARSON

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Chapter 8.6, Problem 49E

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The equation of the directrix after showing that the equation represents the parabola.

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Chapter 8.6, Problem 48E

Chapter 8.6, Problem 50E

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Chapter 8 Solutions

Precalculus: A Unit Circle Approach, Books a la Carte Edition plus MyMathLab with Pearson eText -- Access Card Package (2nd Edition)

Ch. 8.2 - Prob. 1E Ch. 8.2 - Prob. 2E Ch. 8.2 - Prob. 3E Ch. 8.2 - Prob. 4E Ch. 8.2 - Prob. 5E Ch. 8.2 - Prob. 6E Ch. 8.2 - Prob. 7E Ch. 8.2 - Prob. 8E Ch. 8.2 - Prob. 9E Ch. 8.2 - Prob. 10E

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The equation of the directrix after showing that the equation represents the parabola.

Solution Summary: The author explains that the equation of the directrix is x=-4.

To find: The equation of the directrix after showing that the equation represents the parabola.

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Chapter 8 Solutions

To find:

The equation of the directrix after showing that the equation represents the parabola.