DLMF:4.21.E22 (Q1724): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: Q11217 / rank
 
Normal rank
Property / Symbols used: Q11217 / qualifier
 
test:

z 𝑧 {\displaystyle{\displaystyle z}}

z
Property / Symbols used: Q11217 / qualifier
 
xml-id: C4.S1.XMD8.m1ddec

Latest revision as of 17:26, 1 January 2020

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DLMF:4.21.E22
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    Statements

    cos z 2 = ± ( 1 + cos z 2 ) 1 / 2 , 𝑧 2 plus-or-minus superscript 1 𝑧 2 1 2 {\displaystyle{\displaystyle\cos\frac{z}{2}=\pm\left(\frac{1+\cos z}{2}\right)% ^{1/2},}}
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    cos z 𝑧 {\displaystyle{\displaystyle\cos\NVar{z}}}
    C4.S14.E2.m2aodec
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    z 𝑧 {\displaystyle{\displaystyle z}}
    C4.S1.XMD8.m1ddec
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