fx=sin(x+π/6)-cosx求f(2π/3)
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fx=sin(x+π/6)-cosx求f(2π/3)fx=sin(x+π/6)-cosx求f(2π/3)fx=sin(x+π/6)-cosx求f(2π/3)答案等于11/2+√3/2
fx=sin(x+π/6)-cosx求f(2π/3)
fx=sin(x+π/6)-cosx求f(2π/3)
fx=sin(x+π/6)-cosx求f(2π/3)
答案等于1
1/2+√3/2