Math, asked by mamatha86prakash, 4 months ago

find the pedal equation of r=2a/1+cos theta​

Answers

Answered by kakarlaakhilkumaryad
0

Step-by-step explanation:

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Answered by kashinadhis2009
0

Answer:

Your polar plot should look something like this:

enter image source here

Step-by-step explanation:

The question is asking us to create a polar plot of a function of angle,  

θ

, which gives us  

r

, the distance from the origin. Before starting we should get an idea of the range of  

r

values we can expect. That will help us decide on a scale for our axes.

The function  

cos

(

θ

)

has a range  

[

1

,

+

1

]

so the quantity in parentheses  

1

+

cos

(

θ

)

has a range  

[

0

,

2

]

. We then multiply that by  

2

a

giving:

r

=

2

a

(

1

+

cos

(

θ

)

)

[

0

,

4

a

]

This is the ditance to the origin, which could be at any angle, so let's make our axes,  

x

and  

y

run from  

4

a

to  

+

4

a

just in case:

Next, it's useful to make a table of the value of our function. We know that  

θ

[

0

,

360

o

]

and let's break it up into 25 points (we use 25 because that makes 24 steps between points which are angles of  

15

o

):

enter image source here

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