DLMF:1.6.E4 (Q175)

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DLMF:1.6.E4
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    Statements

    Defining formula
    cos ⁡ θ = 𝐚 ⋅ 𝐛 ∥ 𝐚 ∥ ⁢ ∥ 𝐛 ∥ ; 𝜃 ⋅ 𝐚 𝐛 norm 𝐚 norm 𝐛 {\displaystyle{\displaystyle\cos\theta=\frac{\mathbf{a}\cdot\mathbf{b}}{\|% \mathbf{a}\|\;\|\mathbf{b}\|};}}
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    DLMF id
    DLMF:1.6.E4
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        Retrieved from "https://drmf-beta.wmflabs.org/index.php?title=Item:Q175&oldid=6176"