.
Please give the corresponding equations in rectangular coordinates?
1) r =
. <---
=
, or
=
. It is the circle of the radius
centered at (0,0).
2)
= 6. <---
= tan(6), where tan(6) is the tangent of 6 radians (which is slightly less than 360 degs =
= 6.28 . . . )
In addition, y < 0, x > 0, since the angle
is in QIV (fourth quadrant).
So, it is the ray in the QIV.
3) r = 4/(3cosθ -sinθ )
4) r^2 = 36/(9-13sin^2(θ) )
Comment from student: Your answer in #2 is only partly correct. My calculus book says it is only y = (tan6)x.
My response: Thank you for your feedback.
My answer is fully correct.
Your calculus book is only partly correct.
The set of points
= 6 is the ray starting at the origin of the coordinate system.
It is not a straight line.