R = 4secx?? What is this equation's graph
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R = 4secx?? What is this equation's graph

[From: ] [author: ] [Date: 11-04-24] [Hit: ]
no idea. please help! 10 points for best answer.r = 4secθ.Since secθ = 1/cosθ,==> x = 4,......
The graph r = 4secx is a ....

ellipse? circle? parabola? hyperbola? line??

no idea. please help! 10 points for best answer.

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I am assuming that we have:
r = 4secθ.

Since secθ = 1/cosθ, we see that:
r = 4secθ
==> r = 4/cosθ
==> r*cosθ = 4
==> x = 4, since x = r*cosθ.

As you can see, this is a vertical line.

I hope this helps!
1
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