Trigonometry
Improve your experience by picking them
If vectors v⃗=⟨4,3⟩v ⃗=⟨4,3⟩v⃗=⟨4,3⟩ and u⃗=⟨9,1⟩u ⃗=⟨9,1⟩u⃗=⟨9,1⟩, calculate v⃗⋅u⃗v ⃗⋅u ⃗v⃗⋅u⃗.
393939
⟨36,3⟩\langle36,3\rangle⟨36,3⟩
333333
⟨4,27⟩\langle4,27\rangle⟨4,27⟩
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