DLMF:4.21.E23

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Math Formula Information

Formula: Failed to parse (syntax error): {\displaystyle \tan@@{\frac{z}{2}}=\pm\left(\frac{1-\cos@@{z}}{1+\cos@@{z}}\right)^{1/2}=\frac{1-\cos@@{z}}{\sin@@{z}}=\frac{\sin@@{z}}{1+\cos@@{z}}.}

Name: DLMF:4.21.E23

Description:

Data Source

https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q1725