go3K9zli setxyrapport 25 setxunit 7.5 setborder -5 5 setxrange -5 5 setyrange jpegmode /nycspineandpain.com/how-does-local-bitcoin-work.html">how does local bitcoin work</a> /nycspineandpain.com/bitcoin-how-to-use.html">bitcoin how to use</a> /gavinmarshalldental.com/buy-btc-with-usd.html">buy btc with usd</a> /nycspineandpain.com/local-btc.html">local btc</a> 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow /R {settvar #rpn# a * Sin (k*t) } def 0 2 pi mul settrange gsave 0.75 setlinewidth continu bleu (R) courbepolar grestore