已知f(x)=sin(wx+π/3)(w>0)是最小正区间为4的周期函数,求f(2010)的值2.已知f(x)的定义域R,最小正周期为3π/2,且fx=cosx(-π/2≤x<0),fx=sinx,0≤x<π,求f(-15π/4)的值
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![已知f(x)=sin(wx+π/3)(w>0)是最小正区间为4的周期函数,求f(2010)的值2.已知f(x)的定义域R,最小正周期为3π/2,且fx=cosx(-π/2≤x<0),fx=sinx,0≤x<π,求f(-15π/4)的值](/uploads/image/z/6915692-20-2.jpg?t=%E5%B7%B2%E7%9F%A5f%EF%BC%88x%EF%BC%89%3Dsin%EF%BC%88wx%2B%CF%80%2F3%EF%BC%89%EF%BC%88w%EF%BC%9E0%EF%BC%89%E6%98%AF%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%8C%BA%E9%97%B4%E4%B8%BA4%E7%9A%84%E5%91%A8%E6%9C%9F%E5%87%BD%E6%95%B0%2C%E6%B1%82f%EF%BC%882010%EF%BC%89%E7%9A%84%E5%80%BC2.%E5%B7%B2%E7%9F%A5f%EF%BC%88x%EF%BC%89%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9FR%2C%E6%9C%80%E5%B0%8F%E6%AD%A3%E5%91%A8%E6%9C%9F%E4%B8%BA3%CF%80%2F2%2C%E4%B8%94fx%3Dcosx%EF%BC%88-%CF%80%2F2%E2%89%A4x%EF%BC%9C0%EF%BC%89%2Cfx%3Dsinx%2C0%E2%89%A4x%EF%BC%9C%CF%80%2C%E6%B1%82f%EF%BC%88-15%CF%80%2F4%EF%BC%89%E7%9A%84%E5%80%BC)
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已知f(x)=sin(wx+π/3)(w>0)是最小正区间为4的周期函数,求f(2010)的值2.已知f(x)的定义域R,最小正周期为3π/2,且fx=cosx(-π/2≤x<0),fx=sinx,0≤x<π,求f(-15π/4)的值
已知f(x)=sin(wx+π/3)(w>0)是最小正区间为4的周期函数,求f(2010)的值
2.已知f(x)的定义域R,最小正周期为3π/2,且fx=cosx(-π/2≤x<0),fx=sinx,0≤x<π,求f(-15π/4)的值
已知f(x)=sin(wx+π/3)(w>0)是最小正区间为4的周期函数,求f(2010)的值2.已知f(x)的定义域R,最小正周期为3π/2,且fx=cosx(-π/2≤x<0),fx=sinx,0≤x<π,求f(-15π/4)的值
1.4w=2π,w=π/2
f(2010)=f(2)=sin(π+π/3)=-gen3/2
2.f(-15π/4)=f(-15π/4+9π/2)=f(3π/4)
=sin3π/4=gen2/2
1.4w=2π,w=π/2
f(2010)=f(2)=sin(π+π/3)=-根号3/2
2.f(-15π/4)=f(-15π/4+9π/2)=f(3π/4)
=sin3π/4=根号2/2
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