DLMF:4.42.E12 (Q2000): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: Q11270 / rank
 
Normal rank
Property / Symbols used: Q11270 / qualifier
 
test:

C 𝐶 {\displaystyle{\displaystyle C}}

C
Property / Symbols used: Q11270 / qualifier
 
xml-id: C4.S42.XMD16.m1cdec
Property / Symbols used
 
Property / Symbols used: Q11266 / rank
 
Normal rank
Property / Symbols used: Q11266 / qualifier
 
test:

a 𝑎 {\displaystyle{\displaystyle a}}

a
Property / Symbols used: Q11266 / qualifier
 
xml-id: C4.S42.XMD17.m1edec

Latest revision as of 18:26, 1 January 2020

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DLMF:4.42.E12
No description defined

    Statements

    test
    cos ⁡ A = - cos ⁡ B ⁢ cos ⁡ C + sin ⁡ B ⁢ sin ⁡ C ⁢ cos ⁡ a . 𝐴 𝐵 𝐶 𝐵 𝐶 𝑎 {\displaystyle{\displaystyle\cos A=-\cos B\cos C+\sin B\sin C\cos a.}}
    0 references
    DLMF id
    DLMF:4.42.E12
    0 references
    Symbols used
    cosine function
    test
    cos ⁡ z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    xml-id
    C4.S14.E2.m2afdec
    0 references
    sine function
    test
    sin ⁡ z 𝑧 {\displaystyle{\displaystyle\sin\NVar{z}}}
    xml-id
    C4.S14.E1.m2agdec
    0 references
    Q11265
    test
    A 𝐴 {\displaystyle{\displaystyle A}}
    xml-id
    C4.S42.XMD14.m1ddec
    0 references
    Q11269
    test
    B 𝐵 {\displaystyle{\displaystyle B}}
    xml-id
    C4.S42.XMD15.m1ddec
    0 references
    Q11270
    test
    C 𝐶 {\displaystyle{\displaystyle C}}
    xml-id
    C4.S42.XMD16.m1cdec
    0 references
    Q11266
    test
    a 𝑎 {\displaystyle{\displaystyle a}}
    xml-id
    C4.S42.XMD17.m1edec
    0 references
     
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