Trigonometry
Improve your experience by picking them
If vectors v⃗=⟨4,1⟩v ⃗=⟨4,1⟩v⃗=⟨4,1⟩, u⃗=⟨−8,3⟩u ⃗=⟨-8,3⟩u⃗=⟨−8,3⟩, and w⃗=⟨−2,−1⟩w ⃗=⟨-2,-1⟩w⃗=⟨−2,−1⟩, calculate w⃗−3(v⃗+u⃗)w ⃗-3(v ⃗+u ⃗)w⃗−3(v⃗+u⃗).
⟨10,13⟩\langle10,13\rangle⟨10,13⟩
⟨−14,13⟩\langle-14,13\rangle⟨−14,13⟩
⟨−14,−13⟩\langle-14,-13\rangle⟨−14,−13⟩
⟨10,−13⟩\langle10,-13\rangle⟨10,−13⟩
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