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DLMF:19.11.E9 - MaRDI portal

DLMF:19.11.E9 (Q6979)

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DLMF:19.11.E9
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    Statements

    DLMF defining formula
    tan ⁡ θ = 1 / ( k ′ ⁢ tan ⁡ ϕ ) . 𝜃 1 superscript 𝑘 ′ italic-ϕ {\displaystyle{\displaystyle\tan\theta=1/(k^{\prime}\tan\phi).}}
    0 references
    Symbols used
    tangent function
    DLMF defining formula
    tan ⁡ z 𝑧 {\displaystyle{\displaystyle\tan\NVar{z}}}
    xml-id
    C4.S14.E4.m2aadec
    0 references
    real or complex argument
    DLMF defining formula
    ϕ italic-ϕ {\displaystyle{\displaystyle\phi}}
    xml-id
    C19.S1.XMD4.m1hdec
    0 references
    complementary modulus
    DLMF defining formula
    k ′ superscript 𝑘 ′ {\displaystyle{\displaystyle k^{\prime}}}
    xml-id
    C19.S1.XMD6.m1dec
    0 references
    amplitude
    DLMF defining formula
    θ 𝜃 {\displaystyle{\displaystyle\theta}}
    xml-id
    C19.S11.XMD1.m1hdec
    0 references

    Identifiers

     
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