What is sin/cos/tan really? How do they relate to the dot product? How are they even computed by your hardware?

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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: https://citeseerx.ist.psu.edu/doc/10....
Robin Green's Blog: https://basesandframes.wordpress.com/...