DLMF:4.21.E18 (Q1720)

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DLMF:4.21.E18
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    Statements

    Defining formula
    sin 2 ⁡ u - sin 2 ⁡ v = sin ⁡ ( u + v ) ⁢ sin ⁡ ( u - v ) , 2 𝑢 2 𝑣 𝑢 𝑣 𝑢 𝑣 {\displaystyle{\displaystyle{\sin^{2}}u-{\sin^{2}}v=\sin\left(u+v\right)\sin% \left(u-v\right),}}
    0 references
    DLMF id
    DLMF:4.21.E18
    0 references
    Symbols used
    sine function
    Defining formula
    sin ⁡ z 𝑧 {\displaystyle{\displaystyle\sin\NVar{z}}}
    xml-id
    C4.S14.E1.m2akdec
    0 references
     
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