- #1

TGV320

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- TL;DR Summary
- Why cosθ？

HI,

I am studying linear algebra, and I just can't understand why "Unit vectors u and U at angle θ have u multiplied by U=cosθ

Why is it like that?

Thanks

I am studying linear algebra, and I just can't understand why "Unit vectors u and U at angle θ have u multiplied by U=cosθ

Why is it like that?

Thanks