DLMF:20.5.E7 (Q6774)

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Language	Label	Description	Also known as
English	DLMF:20.5.E7	No description defined

Statements

{\displaystyle{\displaystyle\theta_{3}\left(z\middle|\tau\right)=\theta_{3}% \left(0\middle|\tau\right)\prod_{n=1}^{\infty}\frac{\cos\left((n-\tfrac{1}{2})% \pi\tau+z\right)\cos\left((n-\tfrac{1}{2})\pi\tau-z\right)}{{\cos^{2}}\left((n% -\tfrac{1}{2})\pi\tau\right)},}}

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DLMF:20.5.E7

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