Question

convert x=4 to polar form

Answer 1

using : x =rcosθ

then rcosθ=4⇒r=4cosθ=4secθ

r=4secθ

Answer 2

The equation x=4 in polar form is r = 4 sec $\rm \theta$ .

What are the equations used to convert rectangular equations into polar form?

The equations to convert are x = rcos $\rm \theta$ , y = rsin $\rm \theta$ and $\rm \sqrt{x^2+y^2} = r$

The equation is x = 4

To convert into polar form

x = 4

rcos $\rm \theta$ = 4

r = 4/ cos  $\rm \theta$

r = 4 sec $\rm \theta$

To know more about converting rectangular equations into polar form

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