DLMF:22.8.E12 (Q6977)

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Language	Label	Description	Also known as
English	DLMF:22.8.E12	No description defined

Statements

Defining formula

{\displaystyle{\displaystyle\operatorname{cs}(u+v)=\frac{\operatorname{cs}u% \operatorname{ds}v\operatorname{ns}v-\operatorname{cs}v\operatorname{ds}u% \operatorname{ns}u}{{\operatorname{cs}^{2}}v-{\operatorname{cs}^{2}}u}.}}

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DLMF:22.8.E12

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Jacobian elliptic function

Defining formula

{\displaystyle{\displaystyle\operatorname{cs}\left(\NVar{z},\NVar{k}\right)}}

C22.S2.E9.m3abdec

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Jacobian elliptic function

Defining formula

{\displaystyle{\displaystyle\operatorname{ds}\left(\NVar{z},\NVar{k}\right)}}

C22.S2.E7.m3abdec

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Sitelinks

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