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Precalculus
Dot Product and Work — Unit test
Question 7
7
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Dot Product and Work — Unit test
Question 7 • Precalculus
Let u = ⟨1, 5⟩, v = ⟨–3, 3⟩, and w = ⟨2, 3⟩. What is the direction angle of 4w – (2u + v)?
Answer
A
θ = 59.0°
B
θ = 173.7°
C
θ = 276.3°
D
θ = 353.7°
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