After experimenting with various formulas and combinations, this was the design that seemed most aesthetically pleasing.

I obtained this design with the following formula:

I prefer this more complex design over the simple rose because it was more challenging and abstract than before. I wanted to experiment with using Sine rather than just Cosine, and by doing that it completed the last step of the flower.

This is just a simple rose design that can be made on Desmos.com by typing in the following formula:

There's no creativity behind this flower, aside from the random numbers chosen to complete the design.