Find the dot product of $\vec { u } = \langle 1,2 \rangle$ and $\vec { v } = \langle 2 , - 3 \rangle$ and the cosine of the angle between them.

Name: Find the dot product of $\vec { u } = \langle 1,2 \rangle$ and $\vec { v } = \langle 2 , - 3 \rangle$ and the cosine of the angle between them.
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The Answer of Find the dot product of $\vec { u } = \langle 1,2 \rangle$ and $\vec { v } = \langle 2 , - 3 \rangle$ and the cosine of the angle between them.

Find the Dot Product Of u⃗=⟨1,2⟩\vec { u } = \langle 1,2 \rangleu=⟨1,2⟩

Find the Dot Product Of $\vec { u } = \langle 1,2 \rangle$