DLMF:4.42.E11 (Q1999): Difference between revisions

From DRMF
Jump to navigation Jump to search
← Older edit
‎Changed an Item: Add constraint
‎Changed an Item: Add constraint
 
(One intermediate revision by the same user not shown)
Property / Symbols used
 
Property / Symbols used: Q11266 / rank
 
Normal rank
Property / Symbols used: Q11266 / qualifier
 
Defining formula:

a 𝑎 {\displaystyle{\displaystyle a}}

a
Property / Symbols used: Q11266 / qualifier
 
xml-id: C4.S42.XMD17.m1ddec
Property / Symbols used
 
Property / Symbols used: Q11267 / rank
 
Normal rank
Property / Symbols used: Q11267 / qualifier
 
Defining formula:

b 𝑏 {\displaystyle{\displaystyle b}}

b
Property / Symbols used: Q11267 / qualifier
 
xml-id: C4.S42.XMD18.m1ddec

Latest revision as of 19:26, 1 January 2020

No description defined
Language Label Description Also known as
English
DLMF:4.42.E11
No description defined

    Statements

    Defining formula
    cos ⁡ a ⁢ cos ⁡ C = sin ⁡ a ⁢ cot ⁡ b - sin ⁡ C ⁢ cot ⁡ B , 𝑎 𝐶 𝑎 𝑏 𝐶 𝐵 {\displaystyle{\displaystyle\cos a\cos C=\sin a\cot b-\sin C\cot B,}}
    0 references
    DLMF id
    DLMF:4.42.E11
    0 references
    Symbols used
    cosine function
    Defining formula
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2aedec
    0 references
    cotangent function
    Defining formula
    cot ⁡ z 𝑧 {\displaystyle{\displaystyle\cot\NVar{z}}}
    xml-id
    C4.S14.E7.m2aadec
    0 references
    sine function
    Defining formula
    sin ⁡ z 𝑧 {\displaystyle{\displaystyle\sin\NVar{z}}}
    xml-id
    C4.S14.E1.m2afdec
    0 references
    Q11269
    Defining formula
    B 𝐵 {\displaystyle{\displaystyle B}}
    xml-id
    C4.S42.XMD15.m1cdec
    0 references
    Q11270
    Defining formula
    C 𝐶 {\displaystyle{\displaystyle C}}
    xml-id
    C4.S42.XMD16.m1bdec
    0 references
    Q11266
    Defining formula
    a 𝑎 {\displaystyle{\displaystyle a}}
    xml-id
    C4.S42.XMD17.m1ddec
    0 references
    Q11267
    Defining formula
    b 𝑏 {\displaystyle{\displaystyle b}}
    xml-id
    C4.S42.XMD18.m1ddec
    0 references
     
        Retrieved from "https://drmf-beta.wmflabs.org/index.php?title=Item:Q1999&oldid=28413"