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Chapter 9: Q. 74 (page 568)

The letters x and y represent rectangular coordinates. Write each equation using polar coordinates r,胃.

y=-3

Short Answer

Expert verified

The equation is written using polar coordinates as rsin胃=-3.

Step by step solution

01

Step 1. Given Information 

We are given an equation y=-3.

We need to re-write it using polar coordinates.

02

Step 2. Concept used   

If P is a point with polar coordinates r,胃, the rectangular coordinates x,y of P are given by

x=rcos胃y=rsin胃

03

Step 3. Convert into polar coordinates  

In the given equation y=-3, we substitute rsin胃for y we get

y=-3rsin胃=-3

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