How do you graph r=2+tan(θ)?

1 Answer
Apr 29, 2016

The form is r = r1+r2, where r1=2 for a circle, with center at pole and radius = 2. r2=tanθ. Radially, (r,θ) is distant tanθ, from (2,θ) on the circle. .

Explanation:

The asymptotes to this 4-branch curve are θ=π2 and the

opposite θ=3π2.

Due to infinite discontinuities at θ=π2andθ=3π2, .the

four branches for θ[0,π2),(π2,π],[π,3π2)and(3π2,π] are traced in the four quadrants, in the order, ist, 3rd,

2nd and 4th. They brace the circle r =2 at (2, 0) and (2, π).