Question 1202c

Vectors I: Basics, Dot and Cross Products
Angle Between Vectors

Question

Given the points A(2,2,1){A \left( 2, - 2, 1 \right)} and B(1,2,4),{B \left( 1, 2, - 4 \right),} what is AOB?{\angle AOB?}

Attempt

θ={\theta^\circ = }

Answer

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