若函数f(x)f(x)f(x)满足df(x)=−2xsinx2dxdf(x)=-2x\sin x^{2}dxdf(x)=−2xsinx2dx,则f(x)=f(x)=f(x)=( ).
(A)cosx2\cos x^{2}cosx2
(B)cosx2+C\cos x^{2}+Ccosx2+C
(C)sinx2+C\sin x^{2}+Csinx2+C
(D)−cosx2+C-\cos x^{2}+C−cosx2+C
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