DLMF:4.21.E33
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Math Formula Information
Formula: Failed to parse (syntax error): {\displaystyle \cos@{4z}=8\cos^{4}@@{z}-8\cos^{2}@@{z}+1.}
Name: DLMF:4.21.E33
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q1735