DLMF:4.42.E3 (Q1991): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: cotangent function / rank
 
Normal rank
Property / Symbols used: cotangent function / qualifier
 
test:

cot z 𝑧 {\displaystyle{\displaystyle\cot\NVar{z}}}

\cot@@{\NVar{z}}
Property / Symbols used: cotangent function / qualifier
 
xml-id: C4.S14.E7.m2adec
Property / Symbols used
 
Property / Symbols used: tangent function / rank
 
Normal rank
Property / Symbols used: tangent function / qualifier
 
test:

tan z 𝑧 {\displaystyle{\displaystyle\tan\NVar{z}}}

\tan@@{\NVar{z}}
Property / Symbols used: tangent function / qualifier
 
xml-id: C4.S14.E4.m2adec
Property / Symbols used
 
Property / Symbols used: Q11254 / rank
 
Normal rank
Property / Symbols used: Q11254 / qualifier
 
test:

A 𝐴 {\displaystyle{\displaystyle A}}

A
Property / Symbols used: Q11254 / qualifier
 
xml-id: C4.S42.XMD1.m1cdec
Property / Symbols used
 
Property / Symbols used: Q11255 / rank
 
Normal rank
Property / Symbols used: Q11255 / qualifier
 
test:

a 𝑎 {\displaystyle{\displaystyle a}}

a
Property / Symbols used: Q11255 / qualifier
 
xml-id: C4.S42.XMD4.m1bdec
Property / Symbols used
 
Property / Symbols used: Q11257 / rank
 
Normal rank
Property / Symbols used: Q11257 / qualifier
 
test:

b 𝑏 {\displaystyle{\displaystyle b}}

b
Property / Symbols used: Q11257 / qualifier
 
xml-id: C4.S42.XMD5.m1bdec

Latest revision as of 18:24, 1 January 2020

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DLMF:4.42.E3
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    Statements

    tan A = a b = 1 cot A . 𝐴 𝑎 𝑏 1 𝐴 {\displaystyle{\displaystyle\tan A=\frac{a}{b}=\frac{1}{\cot A}.}}
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    cot z 𝑧 {\displaystyle{\displaystyle\cot\NVar{z}}}
    C4.S14.E7.m2adec
    0 references
    tan z 𝑧 {\displaystyle{\displaystyle\tan\NVar{z}}}
    C4.S14.E4.m2adec
    0 references
    A 𝐴 {\displaystyle{\displaystyle A}}
    C4.S42.XMD1.m1cdec
    0 references
    a 𝑎 {\displaystyle{\displaystyle a}}
    C4.S42.XMD4.m1bdec
    0 references
    b 𝑏 {\displaystyle{\displaystyle b}}
    C4.S42.XMD5.m1bdec
    0 references