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Dot product
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231.
Dot Product and Angle
easy
If the dot product of two unit vectors is 0.866, what is the approximate angle between them?
A
Approximately 45°, since cos(45°) ≈ 0.707
B
Approximately 60°, since cos(60°) = 0.5
C
Approximately 30°, since cos(30°) ≈ 0.866
D
Approximately 90°, since cos(90°) = 0 and 0.866 is close to 1
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