![[2024/05/25] Angle between two vectors](https://lemmy.world/pictrs/image/f45ffdf7-78a3-4b60-903a-13144faf7bff.png){kind=link}
- Show that
cosθ=(u⋅v)/(|u||v|)for 2D vectors u and v.
(it is quite hard to come up with these challenges, so if you got any ideas, please post them)
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cosθ=(u⋅v)/(|u||v|) for 2D vectors u and v.(it is quite hard to come up with these challenges, so if you got any ideas, please post them)