求导数d\dx∫cosxsinxf(t2)dt
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求导数d\dx∫cosxsinxf(t2)dt求导数d\dx∫cosxsinxf(t2)dt求导数d\dx∫cosxsinxf(t2)dt∫cosxsinxf(t^2)dt=cosxsinx∫f(t^
求导数d\dx∫cosxsinxf(t2)dt
求导数d\dx∫cosxsinxf(t2)dt
求导数d\dx∫cosxsinxf(t2)dt
∫cosxsinxf(t^2)dt
=cosxsinx∫f(t^2)dt
=1/2sin2x∫f(t^2)dt
d[1/2sin2x∫f(t^2)dt]dx
=cos2x∫f(t^2)dt+1/2sin2xf(t^2)