Specialist Mathematics · Unit 1 · Vectors in the plane · Vectors in two dimensions

Calculate and use a unit vector, 𝒏̂, in the plane. 𝒏̂ = 𝒏 |𝒏|

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Calculate the magnitude and direction of a vector. |𝒂| = |(𝑎1 𝑎2)| = √𝑎12 + 𝑎22 tan(𝜃) = 𝑦 𝑥, 𝑥 ≠ 0

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