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DLMF:12.10.E23 - MaRDI portal

DLMF:12.10.E23 (Q4883)

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DLMF:12.10.E23
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    η = 1 2 arccos t - 1 2 t 1 - t 2 , 𝜂 1 2 𝑡 1 2 𝑡 1 superscript 𝑡 2 {\displaystyle{\displaystyle\eta=\tfrac{1}{2}\operatorname{arccos}t-\tfrac{1}{% 2}t\sqrt{1-t^{2}},}}
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    arccos z 𝑧 {\displaystyle{\displaystyle\operatorname{arccos}\NVar{z}}}
    C4.S23.SS2.p1.m6adec
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