设α∈(0,π/2),若cos(α+π/6)=4/5,则sin(2α+π/12)的值等于
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![设α∈(0,π/2),若cos(α+π/6)=4/5,则sin(2α+π/12)的值等于](/uploads/image/z/629063-71-3.jpg?t=%E8%AE%BE%CE%B1%E2%88%88%EF%BC%880%2C%CF%80%2F2%EF%BC%89%2C%E8%8B%A5cos%EF%BC%88%CE%B1%EF%BC%8B%CF%80%2F6%29%EF%BC%9D4%2F5%2C%E5%88%99sin%EF%BC%882%CE%B1%EF%BC%8B%CF%80%2F12%EF%BC%89%E7%9A%84%E5%80%BC%E7%AD%89%E4%BA%8E)
设α∈(0,π/2),若cos(α+π/6)=4/5,则sin(2α+π/12)的值等于
设α∈(0,π/2),若cos(α+π/6)=4/5,则sin(2α+π/12)的值等于
设α∈(0,π/2),若cos(α+π/6)=4/5,则sin(2α+π/12)的值等于
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