What is sin/cos/tan really? How do they relate to the dot product? How are they even computed by your hardware? My Courses: Support me on Patreon: Follow me on: Twitter: Instagram: Trigonometry is often cited as an are of math for game development. In this video, I explore trig functions a bit, what they actually compute for you in a visual way, and tie that together with basic linear algebra. Lastly, we explore how these functions are actually computed under the surface. Intel Paper: Robin Green's Blog: