DLMF:19.11#Ex3
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Math Formula Information
Formula: Failed to parse (syntax error): {\displaystyle \cos@@{\psi}=\frac{\cos@@{\theta}\cos@@{\phi}-(\sin@@{\theta}\sin@@{\phi})\Delta(\theta)\Delta(\phi)}{1-k^{2}\sin^{2}@@{\theta}\sin^{2}@@{\phi}},}
Name: DLMF:19.11#Ex3
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q6275