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DLMF:36.13.E3 - MaRDI portal

DLMF:36.13.E3 (Q10702)

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DLMF:36.13.E3
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    Statements

    DLMF defining formula
    f ⁢ ( θ , ϕ ) = - cos ⁡ ( θ + ϕ ) cos 2 ⁡ θ . 𝑓 𝜃 italic-ϕ 𝜃 italic-ϕ 2 𝜃 {\displaystyle{\displaystyle f(\theta,\phi)=-\frac{\cos\left(\theta+\phi\right% )}{{\cos^{2}}\theta}.}}
    0 references
    Symbols used
    cosine function
    DLMF defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2aadec
    0 references

    Identifiers

     
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