Inspired by trigonometry, the Sine Wave Hat  takes its name from the graceful wave pattern that moves across its beaded band. I’ve always loved the intersection of math and creativity, and this design brings that to life with a unique rhythm of stitches and beads. 👉  Follow along with the free video tutorial or grab the paid PDF pattern to guide you stitch by stitch — both options are below. ✨ Why I Designed Sine Wave My inspiration for the Sine Wave beaded knit hat came fro