sin(kπ+α)化简

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sin(kπ+α)化简sin(kπ+α)化简sin(kπ+α)化简k=2nn∈Z时sin(kπ+α)=sinαk=2n+1n∈Z时sin(kπ+α)=-sinα

sin(kπ+α)化简
sin(kπ+α)化简

sin(kπ+α)化简
k=2n n∈Z时
sin(kπ+α)=sinα
k=2n+1 n∈Z时
sin(kπ+α)=-sinα