Community Tip - Did you get an answer that solved your problem? Please mark it as an Accepted Solution so others with the same problem can find the answer easily. X
Just a tip added for equation curves for quick reference.
This was to help visualize what the spherical coodinates do when you define a curve from equations.
When you play with the variable "t" and add functions to all 3 parameters, you can come up with some crazy stuff.