设f(sinx)=cos2x+1.求f(cosx)

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设f(sinx)=cos2x+1.求f(cosx)
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设f(sinx)=cos2x+1.求f(cosx)
设f(sinx)=cos2x+1.求f(cosx)

设f(sinx)=cos2x+1.求f(cosx)

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f(sinx)=cos2x+1
f(sinx)=2-2sin^2x
f(cosx)=2-2cosx^2x