已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为

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已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为(π/4

已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为
已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为

已知sin(π/4+α)=√3/2,则sin(3π/4-α)值为
(π/4+α)+(3π/4-α)=π
则sin(3π/4-α)=sin(π/4+α)=√3/2