DLMF:22.8.E16 (Q6981)

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Language	Label	Description	Also known as
English	DLMF:22.8.E16	No description defined

Statements

{\displaystyle{\displaystyle\operatorname{cn}(u+v)=\frac{1-{\operatorname{sn}^% {2}}u-{\operatorname{sn}^{2}}v+k^{2}{\operatorname{sn}^{2}}u{\operatorname{sn}% ^{2}}v}{\operatorname{cn}u\operatorname{cn}v+\operatorname{sn}u\operatorname{% dn}u\operatorname{sn}v\operatorname{dn}v},}}

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DLMF:22.8.E16

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