DLMF:4.14.E9 (Q1661)

From DRMF
Jump to navigation Jump to search
No description defined
Language Label Description Also known as
English
DLMF:4.14.E9
No description defined

    Statements

    Defining formula
    cos ⁡ ( z + 2 ⁢ k ⁢ π ) = cos ⁡ z , 𝑧 2 𝑘 𝜋 𝑧 {\displaystyle{\displaystyle\cos\left(z+2k\pi\right)=\cos z,}}
    0 references
    DLMF id
    DLMF:4.14.E9
    0 references
    Symbols used
    the ratio of the circumference of a circle to its diameter
    Defining formula
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2aadec
    0 references
    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2aedec
    0 references
    Q11219
    Defining formula
    k 𝑘 {\displaystyle{\displaystyle k}}
    xml-id
    C4.S1.XMD1.m1adec
    0 references
    Q11217
    Defining formula
    z 𝑧 {\displaystyle{\displaystyle z}}
    xml-id
    C4.S1.XMD8.m1hdec
    0 references
     
        Retrieved from "https://drmf-beta.wmflabs.org/index.php?title=Item:Q1661&oldid=27046"