Devendra Badgujar , thank you. No apologies needed. If focus on the curve, below is my example made in SW. Basically a cos wrapped in a circle. (in this case half a circle (pi) to solve start-end issue). The formula is in the picture. 

I was not able to reproduce this in SC. As an alternative i tried polar coordinates, but also not working. Can you get this curve / formulae working in SC?