[Harold leaning back in his chair: Day 1209 of not using sin, cos or tan.]
I've been clean since 2002.
this post was submitted on 06 Jun 2026
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That's not dissimilar from my experience, one of my favorite "I'm so glad I know how trig works" moments was for a data visualization class I had, I wanted to animate a little rocket ship orbiting the earth. I can't fully remember the exact math I used, but it was so gratifying to realize that I could use trig to convert rotational degrees per second into a point in space that I could draw my icon at (as well as the angle to tilt the image).
One of my hobbies is 3d printing and I do a bunch of my own modeling, so trig pops up there pretty regularly too.