y=x-sin x/2 × cos x/2
=X-1/2 sinx
所以
y'=1-1/2 cosx
y=x-sin x/2 × cos x/2 的导数是
y=x-sin x/2 × cos x/2 的导数是
数学人气:303 ℃时间:2019-12-17 17:26:44
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